Question 95

Δ LMN is right angled at M. If m ∠N = 45°. What is the length (in cm) of MN, if NL = 6√2 cm?

Name: Δ LMN is right angled at M. If m ∠N = 45°. What is the length (in cm) of MN, if NL = 6√2 cm?
Uploaded: March 3, 2021, 3:45 p.m.
Duration: 2 min
Description: Δ LMN is right angled at M. If m ∠N = 45°. What is the length (in cm) of MN, if NL = 6√2 cm?

Solution

(diagram)

cos N = x/6√2

cos 45° = x/6√2

1/√2 = x/6√2

x = 6

So the answer is option D.

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2017 SSC CGL 19 Aug Shift-2

Δ LMN is right angled at M. If m ∠N = 45°. What is the length (in cm) of MN, if NL = 6√2 cm?

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