If the lengths of the sides of a triangl

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Inverse Trigonometric Functions

Question:

If the lengths of the sides of a triangle are 3, 4 and 5 units, the R the circum-radius is

Options:

2.0

2.5

3.0

3.5

Correct Answer:

2.5

Explanation:

$∠C=90°⇒R=\frac{c}{2\sin C}⇒R=\frac{5}{2}$