Advertisements
Advertisements
प्रश्न
Construct traingle ABC, when: BC = 3 cm, AC = 4 cm and AB = 5 cm. Measure angle ACB. Give a special name to this triangle.
उत्तर
Steps of Construction:
(1) Draw a line segment AB = 5 cm
(2) From A, with the help of compass cut arc AC = 4cm
(3) From point B cut an arc BC = 3 cm.
(4) Join AC and BC.
(5) AABC is required right-angled triangle.
Measuring ∠ACB = 90°
APPEARS IN
संबंधित प्रश्न
Construct traingle ABC, when : AB = BC = CA = 4.5 cm. Measure all the angles of the triangle. Are they equal?
Construct traingle ABC, when: AB = 7 cm, ∠B = 120° and ∠A = 30°. Measure AC and BC.
If each of the two equal angles of an isosceles triangle is 68°, find the third angle.
Observe the figure below and write the type of the triangle based on its angles.
Δ LMN is ... triangle
Observe the figure below and write the type of the triangle based on its sides.
Δ DEF is ... triangle
Draw five triangles and measure their sides. Check-in each case, if the sum of the lengths of any two sides is always less than the third side.
Name the type of following triangle :
ΔXYZ with m∠Y = 90° and XY = YZ.
Name the following triangle in two different ways: (you may judge the nature of the angle by observation)
Try to construct triangles using match sticks. Some are shown here.
 |
 |
 |
Can you make a triangle with 5 matchsticks?
(Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.
Try to construct triangles using match sticks. Some are shown here.
|
|
|
Can you make a triangle with 6 matchsticks?
(Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.
