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Please help!!

Use Heron’s Area Formula to find the value of “x” in the triangle with the given measures. Area = 21.3
[A] x=7.6
[B] x=7
[C] x=8.7
[D] x =5.9

Please help!! Use Heron’s Area Formula to find the value of “x” in the triangle with-example-1

1 Answer

4 votes

Answer:

the answer is B, x=7

Explanation:

heron's area formula:


s = (a + b + c)/(2)


area = √(s(s - a)(s - b)(s - c))

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