Answer:
3
Step-by-step explanation:
d=√8-5 = √9 = 3
Answer:
yeah i did kenn
Step-by-step explanation:
hi
1
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