Question

guys please solve fast class 7
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Answer 1

Answer:

Here is your answer

d) 108

Step-by-step explanation:

let the angle be X

2X+3X=180°

5X=180°

X=180/5X

X=36

2X=36×2=72

3X=3×36=108

Hope it helps........

Answer 2

In complementry angle sum of two angle is 90°

Let the two angle be 2x and 3x

2x + 3x=90°

5x=90°

x=90°÷5

x=18

<A=2x

=2×18

=36°

<B=3x

=3×18

=54°

ANSWER IS OPTION (B)=54°