Question

The square of the hypotenuse of an isosceles right angled triangle is 72 am, What is the length of each side
The roof of a building is 8 m high. A rope is tied from the roof to a peg on the ground 6
away from the wall. What is the minimum length of the rope ?
A
What is the length of​

Answer 1

Answer:

Let the length of other two sides be p

Then p^2+p^2 =72( by Pythogoras theory,)

2p^2 =72

p^2=36

p=6 cm

Apply Pythagoras theorem

8^2 +6^ =100

length of the rope =sq root of 100=10 m