Question

The adjacent angles of a parallelogram are( 5x - 5)° and ( 10x + 35 )° , then the ratio of these angles is _____​

Answer 1

Answer:

10x+35:5x-5

$\frac{10x+35}{5x-5}$

On rationalising...

$\frac{10x+35}{5x-5} * \frac{5x+5}{5x+5}$

$\frac{50x^{2}+195x+175 }{5x^{2}-25 }$

On taking out 5

$\frac{5(10x^{2} +39x+35)}{5(x^{2}-5) } = \frac{10x^{2}+39x+35}{x^{2}-25 }$

Here is your answer

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You can also do, the following method which is easier.

10x+35+10x+35+5x-5+5x-5=360

20x+60=360

20x=360-60

x=15

70 & 185

185/70

35/14

5/7

the Ratio will be equal to 5:7

Answer 2

Answer:

5:7

Step-by-step explanation:

hope this helps you....