NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 5: Lines And Angles - Fill in the Blanks
Question 56

Question. 56

An angle which is half of its supplement is of ______.

Answer:

An angle which is half of its supplement is of 60°.

Detailed Answer with Explanation:

Let angle = x, supplement = 180 − x. Given: x = ½(180 − x) ⇒ 2x = 180 − x ⇒ 3x=180 ⇒ x=60°.

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 5: Lines And Angles – Fill in the Blanks | Detailed Answers