In a triangle ABC, A = x , B = y and C = (y + 20) . If 4x y = 10 – McqOptions

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1.	In a triangle ABC, A = x , B = y and C = (y + 20) . If 4x y = 10, then the triangle is :
A.	Right-angle
B.	Obtuse-angled
C.	Equilateral
D.	None of these
Answer» B. Obtuse-angled

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