Question

Two angle are supplementary and their mesaure are in the ratio 2:7.The measure of the smaller angle is​

Answer 1

Answer:

40 degrees

Step-by-step explanation:

We can write the equation as

2x + 7x = 180

So x = 20

So smaller angle 2x = 40 degrees

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Answer 2

let the angle be 2x and 7x respectively.

2x+7x= 180 degree (sum of supplement angles is 180)

9x=180 degree

x = 180/9

x= 20

first angle=2×20

=40 degree

second angle = 7×20

=140 degree

therefore, first angle<second angle

hence,40 degree angle is smaller angle