2 years ago

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

Mathematics

1 answer:

Elena-2011 [213]2 years ago

3 0

Answer:

117.8

Step-by-step 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

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