JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

1 Easy

1 of 1

Application +4 | -1

If in a

\Delta ABC,\left( {s - a} \right)\left( {s - b} \right) = s\left( {s - c} \right)

, then angle

C

is equal to

View answer and explanation

Correct option: A

90^\circ

Option A (

90^\circ

) is correct because it satisfies the given condition when using the tangent half-angle formula.

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{p_1},{p_2},{p_3}

\Delta \;ABC

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\Delta

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k

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a = \left( {b - c} \right)\sec \theta

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\Delta

\Delta \;ABC

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A

2 s