Respuesta :
15)
The pythagorean Theorem
a^2 + b^2 = c^2
so
b^2 = c^2 - a^2
b^2 = 75^2 - 18^2
b^2 = 5625 - 324
b^2 = 5301
b = 72.8
Answer
72.8
72.8 is the answer
a^2+ b^2= c^2
18^2+ b^2 = 75^2
18 times 18 = 324
75 times 75 = 5625
324 - 5625 = 5301
Then find the sqrt root of 5301 which is 72.8
Hope this helps :)