Rectangles
Triangles
Trapezoids
Parallelograms
WORKING BACKWARDS
VOCABULARY
100
Find the area of a rectangle with a length of 20 inches and a width of 3 inches.
What is 60 inches squared?
100

The formula used to find the area of a triangle.

What is 1/2 of base X height or

(bh)/2 ?

?

100

Find the area of a trapezoid that has a height of 3 inches and bases that measure 6 inches and 8 inches.

What is 21 squared units?

100

The formula for finding the area of a parallelogram.

What is base times height (bh or bxh)?

100

If the AREA of a square is 400 inches squared, find the measurements of the sides.

What is 20 inches?

100

Lines that are on the same plane that never intersect.

What are parallel lines?

200

Find the area of a rectangle with a base of 36 cm and a height of 8 cm.

What is 288 cm squared?

200

Find the area of a triangle that has a height of 10 cm and a base of 5 cm.

What is 25 cm squared?

200

Find the area of a trapezoid that has a height of 17 cm and bases of 12 cm and 14 cm.

What is 221 squared units?

200

Find the area of a parallelogram that has a base of 14 cm and a height of 6 cm.

What is 84 squared cm?

200

The AREA of a parallelogram is 325 cm squared. The height of the figure is 20cm, find the base.

What is 16.25 cm?

200

Another name for a quadrilateral with opposite sides congruent and parallel and all angels that measure 90 degrees.

What is a rectangle?

300

The area of a rectangle with a base of 13.5 inches and a height of 4 inches.

What is 54 inches squared?

300

Find the AREA of a triangle that has a base of 3.8 inches and a height of 5 inches.

What is 9.5 inches squared?

300

A trapezoid has bases of 14.6 inches and 23.2 inches, and a height of 4. Find the area.

What is 75.6 inches squared?

300

Find the area of a parallelogram that has a base of 18.9 inches and a height of 5 inches?

What is 94.5 inches squared?

300

The AREA of a triangle is 80 inches squared. The HEIGHT is 5 inches. Find the base.

What is 32 inches?

300

Lines that intersect and form right angles

What are perpendicular lines?

400

Find the area of a rectangle with a side width of

2 3/4 ft

   and side length of

3 1/3 ft.

What is 

9 1/6 ft?

400

Find the area of a triangle with a base of 23.4 meters and a height of 2.1 meters. 

What is 24.57 meters squared?

400

Find the area of a trapezoid with a base that measures 5 cm, another base that measures two times the first base and a height that is one and a half times the first base.

What is 56.25 inches squared?

400

Find the area of a parallelogram whose base is 6.2 inches and whose height is twice that.

What is 76.88 square inches?

400

A parallelogram has the AREA of 142 cm squared. It has a base of 20 cm. Find the height and the perimeter of the figure.

What is h=7.1 cm and P = 54.2cm?

400

A plane figure with at least three straight sides and angles, and typically five or more sides and angles.

What is a polygon?

500

The perimeter of a rectangle is 42 inches. The length is twice the width. Find the area.

What is  98 inches squared?

500

A triangle has a base of

4 1/2 feet and a height of  

3 1/3 feet.

Find the area of the figure.

What is  

7 1/2 feet squared?

500

A trapezoid has bases that measure 18.3 inches and 19.7 inches. The sides measure 5.6 inches each, and the height of the figure is 12 inches. Find the area and the perimeter.

What is A=228 inches squared and P=49.2 inches?

500

Find the area of parallelogram.

What is 10 feet squared?

500

Find the height.

What is 15 feet?

500

A 15-sided figure

What is a pentadecagon?

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