two angles of a triangle are equal and the third angle measure is 50 degree find the measure of each of the unknown angle
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Answer: <A and <B is 65°
Step-by-step explanation:
Let <A, <B and <C be the angles of a triangle
And <C = 50° .......(1)
<A = <B ........(2)
As we know that ...... sum of 3 angles of a triangle is 180°
So,
<A + <B +<C = 180°
From (1) and (2)
<A + <A + 50°=180°
2<A =180°-50°
2<A = 130°
<A = 130°÷2
<A = 65°
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Hence
<A = <B = 65°
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