Math, asked by preethamvenkat, 2 months ago

In a ∆ PQR, angle Q = 90⁰

, = 6 cm angle = 60⁰

, then find the lengths of and R ?​

Answers

Answered by BipulSingh232005
1

Answer:

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Answered by apurvbhaskar2004
3

Answer:

Let PQR is a right angled triangle.

PQ = 6cm, Angle RPQ = 60degrees = Angle P

tan 60degrees = QR/PR = √3 = QR/6 = QR = 6√3

sin 60degrees = QR/PR = √3/2 = 6√3/PR

= PR = 6√3 x 2/√3

= 6 x 2

= 12

Therefore, the length of QR is 6√3 centimetres.

Therefore, the length of PR is 12 centimetres.

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