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What is the value of x ? In ∆ABC, m∠A=(3x + 7)°, m∠B = (2x − 8)°, and m∠C=(5 − x)° A.29 B.40 C.46 D.44
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Mar 6, 2018
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What is the value of x ?
In ∆ABC, m∠A=(3x + 7)°, m∠B = (2x − 8)°, and m∠C=(5 − x)°
A.29
B.40
C.46
D.44
Mathematics
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Bvgheluwe
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so,
1) 3x+7+2x-8+5-x=180
2) 4x+4=180
3) 4x=176
4) x=44
Answer is D
Uladzislau Vavilau
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Mar 11, 2018
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Uladzislau Vavilau
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