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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 : 12

Total: 12

What is AB equal to?

[NDA-I 2020]

(p2+q2)‌sin‌θ
p‌cos‌θ+q‌sin‌θ
(p2−q2)‌sin‌θ
p‌cos‌θ+q‌sin‌θ
(p2+q2)‌sin‌θ
q‌cos‌θ+p‌sin‌θ
(p2−q2)‌cos‌θ
q‌cos‌θ+p‌sin‌θ

Validate

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