Question

Find x. please explain

Answer 1

Multiply 12 x 30 and divide by 90= 4

Answer:4

Answer 2

5

Explanation:

We can figure out the triangle is 30-60-90. So we use the pythagorean theorem. 13^2 - 12^2 = x^2. 25 = x^2. square root of 25 is 5.