### Home > CC2 > Chapter 4 > Lesson 4.3.1 > Problem 4-84

Find the length of the patio in feet.

Find the ratio between two corresponding sides and use it to create a proportion or to multiply as a scale factor and find the missing length.

feetFind the area of the patio so Daniel knows how much paint to buy.

Use the dimensions of the patio to find the area by multiplying.

Patio Area:

square feet One can of paint covers

square feet. How many cans of paint will Daniel need to buy? If each can of paint covers

square feet, how many cans are needed to cover square feet? Daniel is only able to buy full cans of paint. Round up the cans of paint if it does not come out to an even full number.