The answer is 10 because it had
Answer:
Step-by-step explanation:
I’m pretty sure the answer is C
Answer:
I'm not so sure about this one so sorry if this is wrong
Step-by-step explanation:
Just use the Pythagorean Theorem
(9 +x)^2 = 15^2 + x^2
x^2 + 18x + 81 = 225 + x^2
18x = 144
x = 8
So the three sides of the triangle are
15, 8 and 17
A protractor can be used!