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Find the measure of an angle, …

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Find the measure of an angle, if seven times its complement is 10° less than three times its supplement.

Posted by Pooja Maurya 5 years, 2 months ago

CBSE > Class 09 > Mathematics

4 answers

Rupali Sahu 5 years, 1 month ago

Let angle= x Complement of angle= 90-x Supplement of angle= 180-x 7(90°-x)=3(180°-x)-10 4x=100 X=25°....... answer

0Thank You

Yogita Ingle 5 years, 1 month ago

Let the measure of the required angle be x°.
Then, the measure of its complement =(90−x)°.
And the measure of its supplement=(180−x)°.
Therefore,
7(90−x)=3(180−x)−10
⇒630−7x=540−3x−10
⇒4x=100
⇒x=25
Hence, the measure of the required angle is 25°.

2Thank You

Shubham Mishra 5 years, 2 months ago

If the answer is right say yes I will send you solution.

3Thank You

Shubham Mishra 5 years, 2 months ago

100degrees

2Thank You

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