Find the area of a triangle ABC such that a = 16cm, b = 14cm, c = 12cm, leave your answer in surd form
5\(\sqrt{15}\)cm2
7\(\sqrt{15}\)cm2
21\(\sqrt{3}\)cm2
21\(\sqrt{5}\)cm2
21\(\sqrt{15}\)cm2
Correct answer is E
No explanation has been provided for this answer.