已知:∠A与∠B互余,∠A的补角比∠B的补角小30°,求∠A、∠B的度数

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：数学作业时间：2024/07/04 13:12:40

已知:∠A与∠B互余,∠A的补角比∠B的补角小30°,求∠A、∠B的度数
要有算式…………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………

180°－A＋30°＝180°－（90°－A）
A＝60°
B＝30°

已知∠A与∠B互余,且∠A的补角比∠B的2倍还多30°,求∠A和∠B的度数已知∠a与∠b互为补角并且∠b的一半比∠a小30°求∠a∠b 已知∠A与∠B互为补角,并且∠B的一半比∠A小30度,求∠A和∠B 余角和补角的问题已知∠a和∠b互为余角,并∠a比∠b大20°,∠a和∠c互为补角,求∠a,∠b,∠c的度数, 已知∠a和∠b互为补角,并且∠b的一半比∠a小30°,求∠a和∠b. 已知∠a与∠b互为余角,它们度数比为2:3,求∠a,∠b两个角的补角差. 已知∠a和∠B互为补角,并且∠B的一半比∠a小30度,求∠a、∠B, 已知∠a是∠b的2倍,∠a的余角的3倍等于∠b的补角,求∠a,∠b的度数? 已知∠a＝2∠b.∠a的余角的3倍等于∠b的补角,求∠a.∠b度数已知∠a和∠b互为补角,并且∠b的一半比∠a小30°,求∠a,∠b 答案是∠a=80 ∠b=100 继续过程因为所以平行四边形ABCD中，若∠A的补角与∠B互余，则∠D的度数是______度．已知∠a与∠b互为补角,且∠b的2/3比∠a大15度,求∠a的余角.