Question

15. The side of triangle are 8 cm, 11cm, 13cm then its area is
0 8V30 cm?
O 4v10 cm?
O 3V100 cm?
O 6200 cm2​

Answer 1

d is the right answer....

Answer 2

Step-by-step explanation:

Area of a triangle = root of s(s-a)(s-b)(s-c)

s=11+8+13/2=32/2=16

root of 16(16-8)(16-11)(16-13)

= root of 16×8×5×3

=4V10

Hope it helps you