Question

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

Answer 1

Answer:

1 : 3

Step-by-step explanation:

15x + 30 = 180

x = 10

45: 135

1: 3

Answer 2

Answer:

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Step-by-step explanation:

So, (5x - 5)° + (10x + 35)° = 180°

5x - 5° + 10x + 35° = 180°

15x + 30° = 180°

15x = 180° - 30°

15x = 150°

x = 150°/15

x = 10°

Now, 5x - 5 = 5(10°) - 5° = 50° - 5° = 45°

10x + 35° = 10(10°) + 35° = 100° + 35° = 135°

Required ratio = 45° : 135°

= 5 : 15

= 1 : 3