Question

1. PQR is a triangle, right-angled at P. If PQ= 10 cm
and PR = 24 cm, find QR.
2. ABC is a triangle, right-angled at C. If AB = 25
cm and AC = 7 cm, find BC:
. 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.
I71.1​

Answer 1

Answer:

1. QR = 26

2. BC = 24

Step-by-step explanation:

1. 10× 10 + 24×24 = 676, √676 = 26

2. 25×25 - 7×7 = 576, √576 = 24