Question

Please help me with this.

The figure below consists of a square and a right triangle. Find the missing length x.

Answer 1

x=12

Explanation:

pythagreom thereom, since the figure on the left is a square all of its sides are equal so that one side that shares a side with the triangle is 9cm

9^2+b^2=15^2

b^2=144 square it

b= 12