Question

15) If two adjacent angles of a
parallelogram are (5x - 5) and (10x + 35),
then the ratio of these angles is *​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

1:3

Step-by-step explanation:

adjacent angles of a parallelogram add upto 180°

(5x-5)+(10x+35)=180°

5x+10x+35-5=180°

15x+30=180°

15x=180°-30°

15x=150°

x=150°/15°

x=10°

5x-5=50-5=45°

10x+35°=135°

ratio=45°/135°=1/3

ratio=1:3