How do you use Heron's formula to determine the area of a triangle with sides of that are 8, 15, and 10 units in length?

Answer 1

36.98 square units

This method involves two steps.

Let b = 15, c = 10, and a = 8.

Step 1

Determine half of the triangle's perimeter (s).

#s=(a+b+c)/2=(8+15+10)/2=16.5#

Step 2

Determine the area (A) by applying

#A=sqrt(s(s-a)(s-b)(s-c)#
#rArrA=sqrt(16.5(16.5-8)(16.5-15)(16.5-10)#
#=sqrt(16.5xx8.5xx1.5xx6.5)≈36.98" square units"#
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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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