Question

A pair of supplementary are in the ratio of 4:5 find them.

Answer 1

Answer:

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Answer 2

Answer:

Let the unknown angle be =x

So, we have 4x and 5x

Now as we know sum of supplementary angle=180

According to question,

4x+5x=180

9x=180

x=180\90

x=20

So finally, 4x= 4×20=80 and 5x=5x20=100

Step-by-step explanation:

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