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Q.1 Construct the right angled \(\triangle \)PQR, where m\(\angle \) Q = 90°, QR = 8 cm and PR = 10 cm.
Answer :

Step 1 Draw QR = 8 cm.
Step 2 Draw \(\angle \)Q = 90°.
Step 3 Draw an arc with centre R and radius 10 cm to cut the perpendicular line at P.
Step 4 \(\triangle \)PQR is the required triangle.
[Using RHS criterion]