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Home > CC3MN > Chapter 7 > Lesson 7.3.1 > Problem 7-96

7-96.

Find the perimeter and area of each triangle below.

  1. A triangle with a base of 14 yards, left side 14.3 yards and right side 12 yards. Two internal triangles are created by a line segment of 11 yards drawn from the upper vertex to the base at right angles .

    The perimeter is the sum of all the sides of the shape.

    perimeter

    Remember to include units.

    The area of a triangle can be found using the formula:

    Remember to include units.

  1. A triangle with a base of 25 feet, left side 20 feet and right side 15 feet. Two internal triangles are created by a line segment of 12 feet drawn from the upper vertex to the base at right angles .

    See part (a).

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