Triangles
Trapezoids
Parallelograms
Vocabulary
Composite Figures
100
What is the formula for the area of a triangle?
bh/2
(or equivalent)
100
What is the formula for the area of a trapezoid?
(b1+b2)h/2
(or equivalent)
100
What is the formula for the area of a parallelogram?
bh
100
What do we call a 1 dimensional measurement of all sides of a 2 dimensional figure?
Perimeter
100
The measurements below describe the image in feet. What is the area of the figure below?
36ft2
200
What is the area of a triangle with a height of 4 cm and a base of 8 cm?
16 cm2
200
How many vertices are there on a trapezoid?
4
200
What is the area of a parallelogram with a base of 63.4mm and a height of 12.5mm?
792.5mm2
200
These two measurements must always be perpendicular to each other.
Base & Height
aka (Length and Width)
200
The composite figure below is measured in centimeters. What is the perimeter?
128 cm
300
What is the perimeter of an equilateral triangle with a side length of 12.3 yd?
36.9 yd2
300
What is the area of a trapezoid that has a height of 6ft a top of 8ft and a bottom of 15.5ft?
70.5 ft2
300
What is the area of the parallelogram below?
144 units2
300
_____________ are the intersection points of 2 or more sides on a 2d or 3d figure.
Vertices
300
What is the area of the composite figure below?
54 units2
400
What is the area of the figure below?
16.74 yd2
400
If a trapezoid has an area of 165 inches and the combined bases are 33 inches, what is the height?
10 inches
400
If a parallelogram has an area of 28 ft and a base of 7ft, what is the height?
4 ft
400
**DOUBLE JEOPARDY**
Sarah is painting a rectangular wall in her bedroom. The wall is 8 ft high and 12 ft long. If each can of paint will cover 50 square feet, how many cans of paint should Sarah purchase?
2 cans
(you cannot purchase "part" of a can so decimal answers would not be allowed."
400
Calculate the area of the shaded figure below:
495 ft2
500
What is the height of a triangle with a base of 30cm and an area of 45cm2?
3 cm
500
What is the area of the figure below? 
40in2
500
A parallelogram has a perimeter of 60 miles. If one side is 12 miles long, how long are the 3 other sides?
______miles ______miles and _____miles
12 miles, 18 miles, 18 miles
500
If a figure has no thickness it must be a ________________ figure.
2 Dimensional
500
What is the perimeter of the composite figure below, rounded to the nearest whole number?
57 units