Question

10. Two supplementary angles differ by 40°
Find the angles....... ..............
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Answer 1

Let the first angle = X

It's supplement= X+40°

therefore, X + (X+40)= 180°

on solving this:

X= 70°

it's supplement= X+40

=70°+40°

=110°

Thus, answer is 70° and 110°

Answer 2

Answer:

According to question:-

$x + x + 40 = 180</strong><strong>°</strong><strong>$

$2x = 180</strong><strong>°</strong><strong> - 40$

$2x = 140</strong><strong>°</strong><strong>$

$x = \frac{140</strong><strong>°</strong><strong>}{2}$

$x = 70</strong><strong>°</strong><strong>$

1st Angle= 70°

2nd angle=70°+40

=110°

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