prove that the angles of an equilateral triangle are 60 each
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Step-by-step explanation:
Show that the angles of an equilateral triangle are 60° each .
Given : AABC be an equilateral triangle . . : AB = BC = AC. ( All sides of equilateral triangle are equal )
To prove : ZA = ZB = 2C = 60°
Proof : AB = AC = ZC = 2B . . . ( 1 ) ( Angles opposite to equal sides are equal )
Also , AC = BC = LB = LA . . . ( 2 ) ( Angles opposite to equal sides are equal )
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To Prove:- All angle of an equilateral triangle is 60°.
Proof:- We know that in an equilateral triangle all sides are equal.
So let us take any one side as x.
Such that,
x+x+x=180° {Angle sum property of a triangle}
3x=180°
x=180°/3
x=60°
Hence, proved.
Hope this helps you.
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