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> 如图,△ABC中,∠ACB=90°,CD⊥AB于D,若∠A=30°,则∠1=()度,∠2=()度,∠B=()度.-七年级数学
如图,△ABC中,∠ACB=90°,CD⊥AB于D,若∠A=30°,则∠1=()度,∠2=()度,∠B=()度.-七年级数学
题目简介
如图,△ABC中,∠ACB=90°,CD⊥AB于D,若∠A=30°,则∠1=()度,∠2=()度,∠B=()度.-七年级数学
题目详情
如图,△ABC中,∠ACB=90°,CD⊥AB于D,若∠A=30°,则∠1=( )度,∠2=( )度,∠B=( )度.
题型:填空题
难度:中档
来源:四川省期中题
答案
60°;30°;60°。
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题目简介
如图,△ABC中,∠ACB=90°,CD⊥AB于D,若∠A=30°,则∠1=()度,∠2=()度,∠B=()度.-七年级数学
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