Question

one angle of a triangle is 80 degree and the other two are in the ratio 1 ratio 3 find the angle

Answer 1

180-80=100

X+3X= 100

4X= 100

X= 25....... Ans

3X= 3×25= 75....ans..

Answer 2

Hey friend here is your answer....................

$let \: other \: angle \: be \: 1x \: and \\ 3x \\ \\ 80 + 1x + 3x = 180(asp \: of \: triangle = 180) \\ 4x = 180 - 80 \\ 4x = 100 \\ x = 100 \div 4 = 25 \\ \\ so \: other \: angles \: be \: 25and \: 75 \\ (25 \times 3 = 75)$
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