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![Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board chapter 7 - Mensuration - Shaalaa.com](/images/mathematics-english-class-9-tn-board_6:5f2b1b2038084cf381bfa42c826a928c.jpg "Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board chapter 7 - Mensuration")
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Solutions for Chapter 7: Mensuration
Below listed, you can find solutions for Chapter 7 of Tamil Nadu Board of Secondary Education Samacheer Kalvi for Mathematics [English] Class 9 TN Board.
Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board 7 Mensuration Exercise 7.1 [Pages 252 - 253]
Using Heron’s formula, find the area of a triangle whose sides are 10 cm, 24 cm, 26 cm
Using Heron’s formula, find the area of a triangle whose sides are 1.8 m, 8 m, 8.2 m
The sides of the triangular ground are 22 m, 120 m and 122 m. Find the area and cost of levelling the ground at the rate of ₹ 20 per m2
The perimeter of a triangular plot is 600 m. If the sides are in the ratio 5 : 12 : 13, then find the area of the plot
Find the area of an equilateral triangle whose perimeter is 180 cm
An advertisement board is in the form of an isosceles triangle with perimeter 36 m and each of the equal sides are 13 m. Find the cost of painting it at ₹ 17.50 per square metre.
Find the area of the unshaded region
Find the area of a quadrilateral ABCD whose sides are AB = 13 cm, BC = 12 cm, CD = 9 cm, AD = 14 cm and diagonal BD = 15 cm
A park is in the shape of a quadrilateral. The sides of the park are 15 m, 20 m, 26 m and 17 m and the angle between the first two sides is a right angle. Find the area of the park
A land is in the shape of rhombus. The perimeter of the land is 160 m and one of the diagonal is 48 m. Find the area of the land.
The adjacent sides of a parallelogram measures 34 m, 20 m and the measure of the diagonal is 42 m. Find the area of parallelogram
Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board 7 Mensuration Exercise 7.2 [Page 257]
Find the Total Surface Area and the Lateral Surface Area of a cuboid whose dimensions are: length = 20 cm, breadth = 15 cm, height = 8 cm
The dimensions of a cuboidal box are 6 m × 400 cm × 1.5 m. Find the cost of painting its entire outer surface at the rate of ₹ 22 per m2.
The dimensions of a hall is 10 m × 9 m × 8 m. Find the cost of white washing the walls and ceiling at the rate of ₹ 8.50 per m2
Find the T.S.A and L.S.A of the cube whose side is 8 m
Find the T.S.A and L.S.A of the cube whose side is 21 cm
Find the T.S.A and L.S.A of the cube whose side is 7.5 cm
If the total surface area of a cube is 2400 cm2 then, find its lateral surface area
A cubical container of side 6.5 m is to be painted on the entire outer surface. Find the area to be painted and the total cost of painting it at the rate of ₹ 24 per m2
Three identical cubes of side 4 cm are joined end to end. Find the total surface area and lateral surface area of the new resulting cuboid
Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board 7 Mensuration Exercise 7.3 [Page 263]
Find the volume of a cuboid whose dimensions are length = 12 cm, breadth = 8 cm, height = 6 cm
Find the volume of a cuboid whose dimensions are length = 60 m, breadth = 25 m, height = 1.5 m
The dimensions of a match box are 6 cm × 3.5 cm × 2.5 cm. Find the volume of a packet containing 12 such match boxes
The length, breadth and height of a chocolate box are in the ratio 5 : 4 : 3. If its volume is 7500 cm3, then find its dimensions
The length, breadth and depth of a pond are 20.5 m, 16 m and 8 m respectively. Find the capacity of the pond in litres
The dimensions of a brick are 24 cm × 12 cm × 8 cm. How many such bricks will be required to build a wall of 20 m length, 48 cm breadth and 6 m height?
The volume of a container is 1440 m3. The length and breadth of the container are 15 m and 8 m respectively. Find its height
Find the volume of a cube whose side is 5 cm
Find the volume of a cube whose side is 3.5 m
Find the volume of a cube whose side is 21 cm
A cubical milk tank can hold 125000 litres of milk. Find the length of its side in metres
A metallic cube with side 15 cm is melted and formed into a cuboid. If the length and height of the cuboid is 25 cm and 9 cm respectively then find the breadth of the cuboid
Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board 7 Mensuration Exercise 7.4 [Pages 263 - 264]
Multiple choice questions
The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is
60 cm
45 cm
30 cm
15 cm
If the sides of a triangle are 3 cm, 4 cm and 5 cm, then the area is
3 cm2
6 cm2
9 cm2
12 cm2
The perimeter of an equilateral triangle is 30 cm. The area is
`10sqrt(3) "cm"^2`
`12sqrt(3) "cm"^2`
`15sqrt(3) "cm"^2`
`25sqrt(3) "cm"^2`
The lateral surface area of a cube of side 12 cm is
144 cm2
196 cm2
576 cm2
664 cm2
If the lateral surface area of a cube is 600 cm2, then the total surface area is
150 cm2
400 cm2
900 cm2
1350 cm2
The total surface area of a cuboid with dimension 10 cm × 6 cm × 5 cm is
280 cm2
300 cm2
360 cm2
600 cm2
If the ratio of the sides of two cubes are 2 : 3, then ratio of their surface areas will be
4 : 6
4 : 9
6 : 9
16 : 36
The volume of a cuboid is 660 cm3 and the area of the base is 33 cm2. Its height is
10 cm
12 cm
20 cm
22 cm
The capacity of a water tank of dimensions 10 m × 5 m × 1.5 m is
75 litres
750 litres
7500 litres
75000 litres
The number of bricks each measuring 50 cm × 30 cm × 20 cm that will be required to build a wall whose dimensions are 5 m × 3 m × 2 m is
1000
2000
3000
5000
Solutions for 7: Mensuration
Samacheer Kalvi solutions for Mathematics [English] Class 9 TN Board chapter 7 - Mensuration
Shaalaa.com has the Tamil Nadu Board of Secondary Education Mathematics Mathematics [English] Class 9 TN Board Tamil Nadu Board of Secondary Education solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Samacheer Kalvi solutions for Mathematics Mathematics [English] Class 9 TN Board Tamil Nadu Board of Secondary Education 7 (Mensuration) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Mathematics [English] Class 9 TN Board chapter 7 Mensuration are Mensuration, Area of a Triangle, Area of a Triangle by Heron's Formula, Application of Heron’s Formula in Finding Areas of Quadrilaterals, Surface Area of a Cuboid, Surface Area of a Cube, Volume of a Cuboid, Volume of Cube.
Using Samacheer Kalvi Mathematics [English] Class 9 TN Board solutions Mensuration exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Samacheer Kalvi Solutions are essential questions that can be asked in the final exam. Maximum Tamil Nadu Board of Secondary Education Mathematics [English] Class 9 TN Board students prefer Samacheer Kalvi Textbook Solutions to score more in exams.
Get the free view of Chapter 7, Mensuration Mathematics [English] Class 9 TN Board additional questions for Mathematics Mathematics [English] Class 9 TN Board Tamil Nadu Board of Secondary Education, and you can use Shaalaa.com to keep it handy for your exam preparation.
