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Accelerate JEE 2020: Solution of Triangle Class 3

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Question 1

In a ΔABC, if a = 2x, b = 2y and C = 120°, then the area of the triangle is

Question 2

In triangle ABC and DEF, AB = DE, AC = EF and A = 2E. Two triangles will have the same area, if angle A is equal to

Question 3

If Δ = a2 − (b − c)2, where Δ is the area of triangle ABC, then tan A is equal to

Question 4

If in a triangle ABC side a = (√3 + 1) and B=30o, C=45o, then the area of the triangle is

Question 5

Let p, q, r be the altitudes of a triangle with area S and perimeter 2t. Then the value of is
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Aug 7JEE & BITSAT