从o点引4条射线oa、ob、oc、od,若oe平分角boc,of、og三等分角cod,求角eog
人气:167 ℃ 时间:2019-10-19 19:35:41
解答
由题意
oe平分角boc则∠eoc=∠boc/2;
of、og三等分角cod则∠cod=3∠cof=3∠fog=3∠god
∠eog=∠eoc+∠cof+∠fog
∠eog=(∠boc/2)+(2∠cod)/3.
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