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Arte-miy333 [17]
2 years ago
6

An equilateral triangle has all sides the same length and all angles the same measure.

Mathematics
1 answer:
stepladder [879]2 years ago
8 0
hey there!

Let measure of each angle be x

In triangle , we know that sum of angles is 180°

In equilateral triangle , all angles are equal

So our angles are x , x , x

=> x + x + x = 180°
=>3x= 180°
=> x = 180/3
=> x = 60°

Option 3 is correct

Hope this explanation helps you :)
Have a good day :)
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