A 20-feet ladder leans against a wall at height of 16 feet from the ground. How far is the base of the ladder from the wall?
- 12 feet
- 14 feet
- 10 feet
- 20 feet
Check whether given sides are the sides of right-angled triangles, using Pythagoras theorem.
- 8,15,17
- 12,13,15
- 30,40,50
- 9,40,41
An isosceles triangle has equal sides each 13cm and a base 24cm in length.
Find its height
- 20
- 25
- 30
- 35
The hypotenuse of a right angled triangle of sides 12cm and 16cm is
- 28cm
- 20cm
- 24cm
- 21cm
If the height and parallel sides of a trapezium are 5cm, 7cm and 5cm respectively, then its area is
- 10
- 20
- 30
- 40
If the base and height of the parallelogram are 20cm and 5cm then, its area is
- 200
- 300
- 400
- 100