1.

Two supplementary angles are in the ratio 2:7.Find the the measure of angles​

Answer»

LET the angles be 2X and 7x

Angles are given supplementary

2x+7x=180 ∘

9x=180 ∘

x=20 ∘

So the angles are 2×20 ∘ =40

and 7×20∘=140∘

Step-by-step explanation:



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