Multiple Choice The area of a triangle with sides 7 , 8

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

Problem

48. Multiple Choice The area of a triangle with sides 7 , 8 , and 9 is (A)

6 \sqrt{15}

. (B)

12 \sqrt{5}

. (C)

16 \sqrt{3}

. (D)

17 \sqrt{3}

. (E)

18 \sqrt{3}