SSC CHSL Model Paper 20

Question : 61 of 100

Marks: +1, -0

If in a ΔPQR, tan P = 1, cos Q

=1/2

the value of ∠ R.

Solution:

tan P = 1 ⇒ P = 45°
cos Q

=1/2

⇒ Q = 60°
P + Q + R = 180°
45 + 60 + R = 180°
R = 180 - 105 = 750

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