Area of Rectangles, Triangles, and Parallelograms

The area of a rectangle is 63 sq. inches.  One side length is 7 inches.  What is the other side length?

• 9 in.

• 7 in.

• 6 in.

• 10 in.

The area of a rectangle is 49 sq. in.  One side length is 7 in.  What is the other side length?

• 9 in.

• 10 cm.

• 3 in.

• 7 in.

What is the area of this rectangle?

• 40 square centimeters

• 28 centimeters

• 16 square centimeters

• 100 square centimeters

Which two rectangles have the same area?

• A and B

• A and C

• D and B

• C and B

• 16 square inches

• 12 square inches

• 24 square inches

• 48 square inches

Find the area of the figure shown.

• 34 units²

• 960 units²

• 220 units²

• 480 units²

A parallelogram has a base of 35 cm and its area is 700 cm². What is its height?

• 20 cm

• 24,500 cm

• 0.05 cm

• 2 cm

What is the length of y in this picture?

• 45

• 5√2

• 90

• 5

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.

• Multiply that leg's length by √2.

• Multiply that leg's length by 2.

• Divide that leg's length by √2.

What is the length of y in this 45-45-90 triangle?

• 8√2

• 4√2

• 4

• 8