Question

Which is the length of the building's wall brace?

A. 14.45 m
B. 17 m
C. 23 m
D. 49 m
E. 189 m

Answer 1

A) 14.45 m is the answerrrerreer

Answer 2

17m

Explanation:

We can use the Pythagorean theorem

a^2+b^2= c^2 where a and b are the legs and c is the hypotenuse

8^2 + 15^2 = c^2

64+ 225 = c^2

289 = c^2

Taking the square root of each side

sqrt(289) = sqrt(c^2)

17 =c