Class VII The triangle whose lengths of sides are 7 cm, 24 cm, 25 cm is a __________. Acute-angled triangle None of these Obtuse-angled triangle Right-angled triangle The triangle whose lengths of sides are 8 cm, 15 cm, 17 cm is a __________. Acute-angled triangle None of these Right-angled triangle Obtuse-angled triangle A tree is broken at a height of 5 m from the ground and its top touches the ground at a distance of 12 m from the base of the tree. Find the original height of the tree. 15 m 18 m 20 m 13 m The hypotenuse of a right triangle is 10 cm long. If one of the remaining two sides is 8 cm in length, then the length of the other side is 8 cm 6 cm None of these 4 cm A 15 m long ladder reached a window 12 m high from the ground on placing it against a wall at a distance a. Find the distance of the foot of the ladder from the wall. None of these 12 m 9 m 10 m Do you really want to submit this quiz? Cancel Submit Quiz