Question

one of the exterior angels of a triangle is 120° and the interior opposite angels are in ratio 4:2. find the angels of triangle​

Answer 1

Answer:

As we know

interior angle + exterior angle=180

4x+2x +120=180

6x +120 =180

6x=180-120

6x=60

x=60/6

x=10

opposite interior sides=4x

=4×10=40

=2x

=2×10=20

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