Question

Find the angles, if (1) two supplementary angles are in the ratio 5:7 (ii) two complementary angles are in the ratio 2:7​

Answer 1

Answer:

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Step-by-step explanation:

1) 5x:7x

5x + 7x = 180°

12x = 180°

x= 180/12

x= 15

5x = 75°

7x = 105°

2). 2x:7x

2x + 7x = 90°

9x = 90°

x= 90/9

x= 10

2x = 20°

7x = 70°

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Answer 2

Answer:

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