Question

9. Two complementary angles are in the ratio 2:3. Find the angles.

10. Two supplementary angles are in the ratio 4:5. Find the angles.

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Answer 1

Answer:

Ans 9.

Step-by-step explanation:

Let the two angles be 2x and 3x.

So, 2x+3x=90 degree

5x=90 degree

x=90/5

x=18 degree

Therefore, the two angles are 2×18=36 degree and 3×18=56 degree

Ans 10. Let the two angles be 4x and 5x

So, 4x+5x=90 degree

9x= 90 degree

x=90/9

x=10 degree

So the angles are 4×10= 40 degree and 5×10= 50 degree

Answer 2

Answer:

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