Question

∆ PQR is right-angled at R. Find tan, sine and cos of ∠P and ∠Q in each of the following cases.
(a) PQ = 10 cm, QR = 8 cm
(b) PQ = 29 mm, Pr = 21 mm

Answer 1

Question

Construct a parallelogram PQRS such that PQ= 8.5 cm,QR = 5.5 cm and PQR = 120°. measure and write down the length of two diagonals.​

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