Each rectangle has a perimeter of 48 units. Predict which has the greatest area. Explain.

Draw rectangles with areas of 72 square units on grid paper. Determine which rectangle has the least perimeter, and then, calculate its perimeter.

Calculate the maximum area for a rectangle with perimeter of 100 cm.

Calculate the maximum area for a rectangle with perimeter of 20 m.

Calculate the maximum area for a rectangle with perimeter of 24 km.

Rosie is building a rectangular garden centre with an area of 98 m^2 attached to the side of her store. Determine the minimum length of wood needed for a fence on the three open sides.

Aryn is creating this tile pattern. She wants to use a right triangle tile and several square tiles around it. What is the area of each tile?

A new covered walkway is being constructed to connect two malls. The rectangular space between the two malls is 8.0 m by 7.0 m. The walkway will connect the malls’ opposite corners. How long is the reference chalk line drawn between the corners?

Determine the surface area of each shape.

Determine the surface area of each shape.

Janice needs to re-shingle the roof of her house. One bundle of shingles costs \$35.99 and covers 2.25 m^2.

a) How many bundles of shingles does she need for the roof?

b) What is the total cost of re-shingling the roof?