Accelerate JEE 2020: Solution of Triangle Class 5

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Question 1

IfA,B and C are the angles of a triangle, then tanequals to

• A
• B
• C
• D

Question 2

In an equilateral triangle, the inradius, circumradius and one of the exradii are in the ratio

• A2 : 3 : 5
• B1 : 2 : 3
• C1 : 3 : 7
• D3 : 7 : 9

Question 3

In any triangle ABC, the simplified form of is

• Aa²-b²
• B
• C
• Da²+b²

Question 4

In ΔABC, if 8R² = a² + b² + c² then the triangle is

• ARight angled
• BEquilateral
• CAcute angled
• DObtuse angled

Question 5

With the usual notation, in ΔABC, if ∠A + ∠B = 120⁰, and , then ratio ∠A : ∠B, is

• A9 : 7
• B3 : 1
• C7 : 1
• D5 : 3

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