Question

किसी त्रिभुज की भुजाएँ 15 सेमी, 20 सेमी और 25 सेमी हैं। इसका क्षेत्रफल है:
(A) 30 सेमी² (B) 150 सेमी² (C) 187.5 सेमी² (D) 300 सेमी²

Answer 1

Step-by-step explanation:

I don't want to solve such a easy question you will solve this by your self...

I just only give suggest you what to do in this question...

just use the herons formula as all the 3 sides of triangle are given...

firstly find s which is semi perimeter of triangle

i.e. s = sum of sides /2

and the herons formula is given below

$\sqrt{ s(s-a)(s-b)(s-c) \: }$

hope this enlighten your mind to solve this problem... ok thanks