Practice Heron's Formula - CBSE Class 9 Offered by Unacademy

Heron's Formula

What is the area of the scalene triangle whose sides are 7cm, 15cm, and 19 cm?

$47.782 \mathrm{cm}^{2}$

$3.5 \sqrt{551} \mathrm{cm}^{2}$

$14 \sqrt{5} \mathrm{cm}^{2}$

$49.50 \mathrm{cm}^{2}$