Question

If a transversal intersects two parallel lines such that the ratio betweenthe interior angles on one of its side is 3:7, then the measure of the
smaller angle is _______

a) 54
b) 126
c) 30
d) 70

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Answer 1

Answer:

let the ratio be X

then,

3x + 7x =180

10x= 180

x= 18

so smaller angle is 3x = 3× 18

= 54

Answer 2

Let the ratio be x

3x+7x=180

10x=180

x=180/10

x=18

So 3x=3*18

3x=54°