Page 287 - NUMINO_WB_5B
P. 287
144-P2-1
The Surface Area of a Rectangular Prism
Find the surface area of the rectangular prism that has 24 cm2 as the area of the
base, 20 cm as the perimeter of the base, and 4 cm as the height.
Step 1. Write all the pairs of numbers that have the product of 24.
Step 2. When making a rectangle by using the two numbers from the pairs found
in Step 1, write the two numbers that make the perimeter of 20 cm.
Step 3. Find the surface area of the rectangular prism.
The Surface Area of a Rectangular Prism
Find the surface area of the rectangular prism that has 24 cm2 as the area of the
base, 20 cm as the perimeter of the base, and 4 cm as the height.
Step 1. Write all the pairs of numbers that have the product of 24.
Step 2. When making a rectangle by using the two numbers from the pairs found
in Step 1, write the two numbers that make the perimeter of 20 cm.
Step 3. Find the surface area of the rectangular prism.