The following exercise uses heron's formula. find the area of a garden that is a triangle with sides 6 feet, 7 feet, and feet. (round your answer to one decimal place)

20.3 square feet.

Step-by-step explanation:

We have been given the sides of a garden. We are asked to find the area of garden using Heron's formula.

The area of a triangle with sides a, b and c would be:

, where S is the semi-perimeter of triangle.

Let us find semi-perimeter as:

Substitute given side lengths:

Therefore, the area of the garden would be 20.3 square feet.