Respuesta :

shubhangi
Heya!

Here is your answer:

The measure of all angles are 60°.

Here,

triangle ABC is an equilateral triangle (all sides are equal)

so, Its all angle measure same.

<A + <B + <C = 1800°

let <B = x

x+x+x =180°

3x = 180

x= 60°

Hence
<B = 60°



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