Question

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Answer 1

Step-by-step explanation:

Hello

According to fithaghores law:

${a}^{2} + {b}^{2} = {c}^{2}$

So

${5}^{2} + {12}^{2} = 25 + 144 = 169 \\ {c}^{2} = 169 \\ c = \sqrt{169 } = 13$

Let's continue

Tan A = a/b= 5/12

So A is about 22 or 23 degrees.

You know sum of the triangle angles are 180

So sum 90 +23

Then 180-(90+23)=180-113=67

B is about 67 degrees.

I hope this help you.