1编号:29236题型:单选题测试正确率:48.52%
等腰三角形的周长是25cm,一腰上的中线将周长分为3:2两部分,则此三角形的底边长为( )
2编号:29235题型:单选题测试正确率:55.27%
已知等腰三角形的周长为17cm,其中一边长为5cm,则该等腰三角形的底边长为( )
3编号:29234题型:单选题测试正确率:61.3%
如图,AD是△ABC的一条角平分线,点O在AD上,且OE⊥BC于点E,∠BAC=60°,∠C=80°,则∠EOD的度数为( )
4编号:29233题型:单选题测试正确率:23.23%
如图,∠BAD的角平分线AE与∠BCD的角平分线CE交于点E,∠ADC=40°,∠AEC=35°,则∠ABC的度数为( )
5编号:29232题型:单选题测试正确率:78.01%
如图,在△ABC中,若∠C=90°,∠CAB与∠CBA的角平分线相交于点O,则∠AOB等于( )
6编号:29231题型:单选题测试正确率:50.21%
如图,则∠A+∠B+∠C+∠D+∠E的度数为( )
7编号:29230题型:单选题测试正确率:65.5%
在三角形的三个内角中至少有( )
8编号:29204题型:单选题测试正确率:75.32%
—We can see the signin the public places.What does it mean?—It means .
9编号:29203题型:单选题测试正确率:17.15%
—I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.— ! I’m sure you’ll make it.
10编号:29202题型:单选题测试正确率:19.39%
—I’d like to take a week’s holiday.— , we’re too busy.
提醒: