Rectangles
Parallelograms
Triangles
Trapezoids
Other Formulas
100
What is the formula for the area of a rectangle?
What is A = bh
100
Rather than multiplying length and width to find a parallelogram's area, you multiply its base by this.
What is height?
100
A triangle with the same base and height as a parallelogram will have this fraction of the parallelogram's area.
What is half?
100

These are three important parts of a trapezoid.

What are base1, base2, and height?

100

Explain two ways to find the perimeter of a square, one using addition and the other using multiplication.

Add the four sides or take one side and multiply by 4.

200
What is the difference between area and perimeter?
Area is the number of square units inside a shape. Perimeter is the number of units around the outside of a shape.
200
True or False: You can multiply the two side lengths (base and diagonal) of a parallelogram to find its area.
False, it must be base x height.
200
If you first multiply the base and height of a triangle, you must then do this to find its area.
What is divide by 2?
200
No matter how a trapezoid is drawn, you can always tell which two sides are the bases because they have this characteristic.
The bases are parallel lines
200

Which three polygons have the same area formula?

squares, rectangles, and parallelograms.

300
Find 2 different rectangles with an area of 26 square cm. What are their dimensions?
Answers may vary.
300

Find the area of a parallelogram with a base of 4.63 m, a height of 3.4m, and a diagonal of 4m.

area = 15.742 square m

300
True or False: The height line of a triangle must be drawn inside the triangle.
What is False?
300
Before multiplying by the height, you must do this with the two bases.
What is add?
300

What is the formula for area of a triangle?

base x height divided by 2

400
This exponent is a label for square units.
What is 2?
400
Find the area of a parallelogram with a base of 14.5 inches and a height of 3.3 inches.
area = 47.85 square inches
400
Find the area of a triangle with these coordinates. A( 1,1), B(6, 1), C(1, 17)
area = 40 square units
400
Find the area of a trapezoid with the following measures: Base 1= 10cm Base 2 = 2cm Height = 3cm
area = 18 square units
400
This is the reason the Area of Trapezoid formula uses base1 and base2.
What is the bases have different lengths.
500
Find the perimeter and area for this rectangle WITHOUT graphing it! A(30, 22) B(41,22) C(30, 39) D(41, 39)
area: 187 square units perimeter: 56 units
500
Find the area and perimeter of a parallelogram with these measures: Base = 6.1 cm Height = 4cm Diagonal = 5.2cm
area: 24.4 square cm perimeter: 22.6 cm
500

Give 3 different dimensions for a triangle with an area of 40 square units.

answers may vary

500
Give base 1, base 2, and the height for a trapezoid with an area of 15 square units.
answers may vary
500
What is the formula for area of a trapezoid?
(base 1 + base 2) height divided by 2
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