Prove that the sum of all interior angles of a trangle is 180° ?
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hey buddy your question is wrong the question can be prove that the sum of the angles of a equilateral triangle is 180 degree or each angle is 60 degree. hope it helps please mark as brainliest.
Gauravs1:
no man its interior angles of triangle
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Angle D + E + B = 180 (linear pair) 3
but Angle D = A (A.I.A) 1
and Angle E = C (A.I.A) 2
Using 1 and 2 in eq. 3, we get
Angle A + B + C = 180
but Angle D = A (A.I.A) 1
and Angle E = C (A.I.A) 2
Using 1 and 2 in eq. 3, we get
Angle A + B + C = 180
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