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3. In a AABC, ZA = 2B. Find ZA and ZB, if ZC = 70 |
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Answer» Answer: SINCE, AB = AC, therefore, ∠B=∠C By ANGLE SUM property of triangle, ∠A+∠B+∠C=180 o
70 o +2∠B=180 o
2∠B=110 o
∠B=55 o
HENCE, ∠B=∠C=55 o |
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