Question

prove that measure of each angle of an equilateral triangle is 60 degrees

Answer 1

let angles be x now there are 3 angle so use a angle sum property x+x+x=180 3x=180 x=60

Answer 2

As we know that sum of all the angles of a triangle is 180°...
And in an equilateral triangle all the angles are equal...
So let the angles be x
Now, according to the angle sum property,

=x° + x° + x° = 180°
=3x° = 180°
=x = 180/3
= x = 60°
Hence, proved...
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