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find x. please explain

Find X Please Explain class=

Sagot :

Multiply 12 x 30 and divide by 90= 4

Answer:4

Answer:

5

Step-by-step 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.