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mixer [17]
2 years ago
11

Round your answer to the tenths place if necessary Help me please! :(

Mathematics
2 answers:
xz_007 [3.2K]2 years ago
7 0
The answer should be 80.5
Katyanochek1 [597]2 years ago
6 0

Answer:

∠ B = 80.5°

Step-by-step explanation:

Since AB = AC then the triangle is isosceles with base angles congruent, so

∠ B = ∠ C , then

∠ B = \frac{180-19}{2} = \frac{161}{2} = 80.5°

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3 years ago
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A. 86<br> B. 111<br> C. 69<br> D. 71
dangina [55]
All the angles of a triangle add up to 180 degrees. 

30+39+<4= 180

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I hope this helps!
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3 years ago
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6 0
2 years ago
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Step-by-step explanation:

7 0
3 years ago
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