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

Construct a triangle PQR with given conditions. ∠P = 60°, ∠R = 35° and PR = 7.8 cm - Mathematics

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Question

Construct a triangle PQR with given conditions.

∠P = 60°, ∠R = 35° and PR = 7.8 cm

Diagram

Solution



Construction:

Step 1: Drawn a line. Marked P and R on the line such that PR = 7.8 cm.

Step 2: At P, drawn a ray PX making an angle of 60° with PR.

Step 3: At R, drawn another ray RY making an angle of 35° with PR.

Mark the point of intersection of the rays PX and RY as Q.

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. (i) | Page 85
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