Area Missing Dimensions

Write the equation to solve for the Area of a Triangle. Then use it to find the missing dimension. 

• 12yd.

• 3yd.

• 9yd

• 8yd

Find the height of the triangle.

• 9 inches

• 4.5 inches

• 3 inches

• 8 inches

Given a rectangle with an Area of 96 sq. ft. Find the width if the height is 8 ft.

• 768 sq. ft.

• 768 ft.

• 12 sq. ft

• 12 ft.

Write the equation to solve for the Area of a Parallelogram. Then use it to find the missing dimension. 

• 17yd

• 19yd

• 18yd

• 20yd

Write the equation to solve for the Area of a Rectangle. Then use it to find the missing dimension. 

• 5 in.

• 6in.

• 7in.

• 8in.

An envelope from the post office is 3 inches wide with a total area of 30 square inches. What is the height of the envelope?

• 12 in

• 14 in

• 10 in

• 8 in

Rachel was cutting out some fabric for a friend. She cut a piece that was 5 centimeters wide and had an area of 20 cm2. How long was the piece?

• 6 cm

• 7 cm

• 5 cm

• 4 cm

A lawn had an area of 35 square feet. If it was 7 feet in width, how long was it?

• 10 ft

• 5 ft

• 6 ft

• 8 ft

What is the area of this shape?

• 100 square feet

• 5 inches

• 100 square inches

• 50 inches

What is the area of this square?

• 49cm²

• 28cm²

• 14cm²

• 7cm²