Which of the following expresses the semi-perimeter of a triangle whose side lengths are ,

MATHEMATICS · Single correct · CBSE · Mathematics · Heron's Formula · Heron's Formula

Problem

Which of the following expresses the semi-perimeter

s

of a triangle whose side lengths are

a

b

, and

c

? (a)

s = a + b + c

(b)

s = \dfrac{a + b + c}{3}

(c)

s = \dfrac{a + b + c}{2}

(d)

s = \sqrt{abc}