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5 votes
HELP ME PLS THANK YOU<<<3333

HELP ME PLS THANK YOU<<<3333-example-1
User Robeson
by
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1 Answer

5 votes
  • Answer:

≈ 63.30 ft²

  • Explanation:

Heron formula

A = √p(p - a)(p - b)(p - c)

a = 9 ; b = 15 ; c = 20

p = (a + b + c)/2 = (9 + 15 + 20)/2 = 44/2 = 22

A = √22(22-9)(22-15)(22-20)

= √22×13×7×2

= √4004

≈ 63,27

≈ 63.30 ft²

User Thevs
by
7.6k points

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