Answer:15
Step-by-step explanation: 9^2+12^2=c^2 and solve :)
Answer:
C) x = 15
Step-by-step explanation:
This is a right triangle
to find the length of x (hypotenuse) we calculate the square sum of other two sides
9^2 + 12^2 = x^2
81 + 144 = x^2
225 = x^2
15 = x
