在△ABC中,∠A-∠B=36°,∠C=2∠B,则∠A=,∠B=,∠C=
人气:179 ℃ 时间:2020-03-14 18:33:23
解答
∠A=∠B+36°
∠A+∠B+∠C= ∠B+36°+∠B+2∠B=4∠B+36°=180°,
∠B=36°
∠A=∠B+36°=72°
∠C= 72°
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