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UP TGT Mathematics Trigonometry Test Series - Part 2

In ΔABC, if r : R : r₁ = 1 : 2 : 3, then the triangle is:

Type: MCQ • Marks: 1
In ΔABC, if r : R : r₁ = 1 : 2 : 3, then the triangle is:
Options
A. Obtuse angled
B. Equilateral
C. Isosceles
D. Right angled
Explanation
Since R = 2r and r₁ = 3r, this specific ratio holds for a 30°-60°-90° Right-angled triangle.
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UP TGT Mathematics

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