ANSWER:
HOPE IT HELPS!!!!!!
PLEASE MARK BRAINLIEST!!!!!!!
Answer:
He simplified the x coefficients incorrectly
Step-by-step explanation:
Answer: 15 centimeters
Step-by-step explanation: You cut the rectangle into two triangles following the diagonal. You add 12 squared (144) and 9 squared (81) together. You get 225. You get the square root of 225 which is 15 and that is your answer. Basic solving for the hypotenuse.
C
the explanation is in the photo