Question

Please help me with this

Answer 1

r=10.9cm

Q=12cm

S=14.42cm

Explanation:

Pythagoras theorem states H²=b²+h²

H-hypotenuse

B-base

h-height

E.g q 4²+3²=HE

H=√25=5

13²=b²+5²

b²=169-25

b=√144=12

Q=12cm