Question

a triangle has one of the angle 75 degree and difference between two angles is 35 degree find the value of other two angle​

Answer 1

Answer:

Step-by-step explanation:

Given:- angle A = 75degree

<A +<B+<C= 180 degree.(<s sum property of a ∆)

75+ <B+<C= 180 degree.

<B+<C=180-75

<B+<C=105______(1)

Given :- <B+<C = 105 degree

<B-<C= 35 degree. From (1)

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2<B= 140. (+<C-<C cut each other)

Therefore. <B= 70 degree.

<A+<B+<C = 180 degree ( <s sum property of a∆)

75 + 70 + <C = 180

145 + <C = 180

<C= 180-145= 35 degree.

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