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Find angle A and angle B..​

Find angle A and angle B..​-example-1

1 Answer

4 votes

Explanation:


\sf{\bold{\blue{\underline{\underline{Given}}}}}


\tt{\angle{c}=110°}

and,


\tt{BC=AC}

⠀⠀⠀⠀


\sf{\bold{\red{\underline{\underline{To\:Find}}}}}

☆Find the
\angle{B} ~and~\angle{A}


\sf{\bold{\purple{\underline{\underline{Solution}}}}}

Here,

BC =AC

so,

⠀⠀⠀


\angle{A}=\angle{B}

we know that,


\tt{\boxed{\pink{\angle{A}+\angle{B}+\angle{C}=180°}}}

But
\angle{C}=110°(Ģìvéñ)

so..


\angle{A}+\angle{B}+110°=180°


\angle{A}+\angle{A}+110°=180°


\because{\angle{A}=\angle{B} }


2\angle{A}=180°-110°


2\angle{A}=70°


\angle{A}=(70°)/(2)


\boxed{\orange{\angle{A}=35°}}

But...


\angle{A}=\angle{B}

soo,


\boxed{\orange{\angle{B}=35°}}


\sf{\bold{\green{\underline{\underline{Answer}}}}}

⠀⠀⠀⠀


\boxed{\green{\angle{A}=35°}}


\boxed{\green{\angle{B}=35°}}

User LoveForEver
by
6.1k points
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