### Home > CC1 > Chapter 3 > Lesson 3.1.1 > Problem 3-15

3-15.

Find the measure indicated in each question below. Homework Help ✎

Find the perimeter of the triangle.
Remember that perimeter is the sum of the border lengths of the shape. | Remember that area is the number of square units in a shape. |

Find the area and perimeter of the rectangle at right.

See parts (a) and (b).

Area = 16 sq. inches

Perimeter = 20 inches

Be sure to know how to find these answers using the given measurements.