Question

if one angle of atriangleis 80degree and the other two abgle are in the ratio 3:7

Answer 1

80+3x+7x=180
80+10x=180
10x=100
x=10
3x=30
7x=70

Answer 2

Hiii MATE!!!

Let the common ratio be x
3x,7x

Now ATQ,

$80 + 3x + 7x = 180$
(Angle Sum Property of Triangle)


$80 + 10x = 180$

$10x = 180 - 80$


$10x = 100$

$x = 100 \div 10$


$x = 10$


THEREFORE,


$3x = 3 \times 10 = 30$


and,



$7x = 7 \times 10 = 70$


thanks

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