Consider the following: 1. A D \sin \\theta=A B \sin \\alpha 2. B D \sin \\theta=A B \sin (\\theta+\\alpha) Which of the above is/are correct? [NDA-I 2020]

Correct Answer is : Both 1 and 2

NDA Math Polygons and Quadrilaterals

DIRECTIONS (Qs. 36-37) : Read the following information and answer the two items that follow:
ABCD is a trapezium such that AB and CD are parallel and BC is perpendicular to them. Let ∠ADB=θ,∠ABD=α,BC=p and CD=q and CD=q

[NDA-I 2020]

Question : 11 of 12

Marks: +1, -0

Consider the following:
1. AD‌sin‌θ=AB‌sin‌α
2. BD‌sin‌θ=AB‌sin(θ+α)
Which of the above is/are correct?

[NDA-I 2020]

1 only
2 only
Both 1 and 2
Neither 1 nor 2

Validate

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