NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 6: Triangles - Multiple Choice Questions
Question 17

Question.  17

In ΔPQR, if PQ = QR and ∠Q = 100°, then ∠R is equal to

(a)

(a) 40°

(b)

(b) 80°

(c)

(c) 120°

(d)

(d) 50°

Detailed Answer with Explanation:

PQ = QR so ∠P = ∠R. ∠P + ∠R = 80°. So ∠R = 40°.

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NCERT Exemplar Solutions Class 7 – Mathematics – Unit 6: Triangles – Multiple Choice Questions | Detailed Answers