1. Use the Pythagoras theorem
13^2 = x^2 + 5^2
solve for x and youll get the height of the roof.
2. let x = length of the rpoe)-
x^2 = 9^2 + 12^2
3. Pythagoras again
20^2 = x^2 + 12^2
8/7 each side of the expression both go up by 1
Answer:
answer is A
Step-by-step explanation:
The measurements are 3 times as big.
