Question

4. Find the unknown marked angles in the following figure : ​

Answer 1

Answer:

60°, 60°, 60°

Step-by-step explanation:

This is an equilateral triangle hence, all the angles are 60°

Answer 2

Answer:

Your answer is

a+b+c=180°

external angle=120°

So we have subtract

180°-120°=60°

so,angle c is equal to 60°

we get a=60°

b=60°

Automatically

so this is an equilateral triangle

Thanks

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