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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

Construct a triangle PQR with given conditions. ∠P = 115°, ∠Q = 40° and PQ = 6 cm - Mathematics

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Question

Construct a triangle PQR with given conditions.

∠P = 115°, ∠Q = 40° and PQ = 6 cm

Diagram

Solution



Construction:

Step 1: Drawn a line. Marked P and Q on the line such that PQ = 6 cm.

Step 2: At P, drawn O ray PX making an angle of 115° with PQ.

Step 3: At Q, drawn another ray QY making an angle of 40° with PQ.

Marked the point of intersection of the rays PX and Q Y as R.

PQR is the required triangle.

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Chapter 4: Geometry - Exercise 4.2 [Page 85]

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Samacheer Kalvi Mathematics - Term 2 [English] Class 7 TN Board
Chapter 4 Geometry
Exercise 4.2 | Q 7. III. (ii) | Page 85
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