Advertisements
Advertisements
प्रश्न
How will you decide? Discuss.
उत्तर
We can decide by finding the areas of these footprints.
APPEARS IN
संबंधित प्रश्न
In fig below, ABCD is a parallelogram, AE ⊥ DC and CF ⊥ AD. If AB = 16 cm, AE = 8
cm and CF = 10 cm, find AD.
In Q. No 1, if AD = 6 cm, CF = 10 cm, and AE = 8cm, find AB.
Let ABCD be a parallelogram of area 124 cm2. If E and F are the mid-points of sides AB and
CD respectively, then find the area of parallelogram AEFD.
Compute the area of trapezium PQRS is Fig. below.
If AD is a median of a triangle ABC, then prove that triangles ADB and ADC are equal in
area. If G is the mid-point of median AD, prove that ar (Δ BGC) = 2 ar (Δ AGC).
ABCD is a parallelogram. E is a point on BA such that BE = 2 EA and F is a point on DC
such that DF = 2 FC. Prove that AE CF is a parallelogram whose area is one third of the
area of parallelogram ABCD.
In below fig., PSDA is a parallelogram in which PQ = QR = RS and AP || BQ || CR. Prove
that ar (Δ PQE) = ar (ΔCFD).
In the given figure, ABCD is a rectangle in which CD = 6 cm, AD = 8 cm. Find the area of parallelogram CDEF.
PQRS is a rectangle inscribed in a quadrant of a circle of radius 13 cm. A is any point on PQ. If PS = 5 cm, then find ar (ΔRAS)
ABC is a triangle in which D is the mid-point of BC. E and F are mid-points of DC and AErespectively. IF area of ΔABC is 16 cm2, find the area of ΔDEF.
ABCD is a parallelogram. P is the mid-point of AB. BD and CP intersect at Q such that CQ: QP = 3.1. If ar (ΔPBQ) = 10cm2, find the area of parallelogram ABCD.
The median of a triangle divides it into two ______.
ABCD is a parallelogram. P is any point on CD. If ar (ΔDPA) = 15 cm2 and ar (ΔAPC) = 20 cm2, then ar (ΔAPB) =
In the given figure, ABCD is a parallelogram. If AB = 12 cm, AE = 7.5 cm, CF = 15 cm, then AD =
ABCD is a trapezium in which AB || DC. If ar (ΔABD) = 24 cm2 and AB = 8 cm, then height of ΔABC is
The sides of a rectangular park are in the ratio 4 : 3. If its area is 1728 m2, find
(i) its perimeter
(ii) cost of fencing it at the rate of ₹40 per meter.
By counting squares, estimate the area of the figure.
Find the area and perimeter of the following parallelograms
Look at a 10 rupee note. Is its area more than hundred square cm?
Is the area of the blue shape more than the area of the yellow shape? Why?
So the area of piece A = ________ square cm
This stamp has an area of 4 square cm. Guess how many such stamps will cover this big rectangle.
Look at the table. If you were to write the area of each of these which column would you choose? Make a (✓).
Square cm |
Square meter |
Square km |
|
Handkerchief | ✓ | ||
Sari | |||
Page of your book | |||
School land | |||
Total land of a city | |||
Door of your classroom | |||
Chair seat | |||
Blackboard | |||
Indian flag | |||
Land over which a river flows |
Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.
- A shopkeeper has 50 boxes. There are 48 fruits in one box.
Tick the one question which matches with the given problem.
a) How much will the shopkeeper pay in all? b) How many fruits are there in all? ✓ c) How many more boxes will he need?
Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.
- 352 children from a school went on a camping trip. Each tent had a group of 4 children.
a) How many children did each tent have? b) How many tents do they need? c) How many children in all are in the school?
Each line gives a story. You have to choose the question which makes the best story problem. The first one is already marked.
- The cost of one book is Rs 47. Sonu buys 23 books.
a) How much money does she have? b) How much money does she pay for the books? c) What is the cost of 47 books?
Measure the length of the floor of your classroom in meters. Also measure the width.
- If you want to move around easily then how many children do you think should be there in one square meter?
A magazine charges Rs 300 per 10 sq cm area for advertising. A company decided to order a half page advertisment. If each page of the magazine is 15 cm × 24 cm, what amount will the company has to pay for it?
Find the area of the following figure by counting squares:
Find the area of the following figure by counting squares: