Question

Find the area of a triangle whose sides are 8 cm, 11 cm and 4 cm

Answer 1

Answer:

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

Step-by-step explanation:

a=8cm

b=11cm

c=4cm

perimeter=8+11+4 = 23cm

perimeter= 2s=23

s=23/2

s=11.5

√11.5(11.5-8)(11.5-11)(11.5-4)

√11.5×3.5×.5×7.5

12.3cm^2

Answer 2

Answer:

11.5

Step-by-step explanation: