Question

I REALLY NEED HELP I FORGOT HOW TO DO THIS :(

Answer 1

117.8

Explanation:

i used heron's formula

√s(s-a)(s-b)(s-c)

s= (20+16+33)/2 = 34.5

√34.5(34.5-20)(34.5-16)(34.5-33)

= 117.8