help mee thanks uu

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helpmeethanksuuhelpmeethanksuuhelpmeethanksuu6.x=50y=6cm7.a=90b=4cm8.x=369.（1）x=4cm（2）17-3乘以4=5cm10.

help mee thanks uu
help mee thanks uu

help mee thanks uu
6.x=50 y=6cm
7.a=90 b=4cm
8.x=36
9.（1）x=4cm （2）17-3乘以4=5cm
10.内角和=（9 —2）乘以180=1260°
每个内角度数=1260除以9=140°
11.
内角和=（边数----2)乘以180

这么多题都不懂啊！
授人以鱼，不如授之以渔！
这类题大多都是关于角度的!
记着三角形三个角的和是180°
知道两个角就能知道另外一个角了！

html学多了吧？

下面图不清楚怎么做啊

help mee thanks uu Help!尽量是奥数题,Thanks. help me,thanks, help me,thanks, Thanks for( )(help)me. Thanks for your help. help me,thanks, Help for me .Thanks. Please help me!Thanks! English Help Thanks Thanks for his______(help) 第五提,help.thanks thanks for your help还是 thanks to your help 英语翻译Thanks for your help! English help me,thanks 、、0.0 英语题怎么help.thanks thanks for you,help me Thanks for _____（help) me.