Parallelograms
Triangles
Trapezoids
Composite figures
Vocabulary
100
What is the area of a parallelogram with base 6 cm and h 8 cm?
48 sq cm
100
What is the formula for finding the area of a triangle?
A=1/2bh
100
What is the formula for finding the area of a trapezoid?
A=1/2h(b1+b2)
100
What is a composite figure?
It is a figure made up of two or more two-dimensional figures.
100
A simple closed figure formed by three or more straight line segments.
What is a polygon?
200
What is the area of a parallelogram with base 20 and height 11?
220 sq cm
200
What is the area of a triangle with a height of 6.4m an a base of 12.1m?
38.72 sq m
200
What is the area of a trapezoid with bases of 5 and 12 inches and a height of 7in?
59.5 sq in
200
What is the area of a figure that is made up of a 60 sq in square and an 8 sq in triangle?
68 sq in
200
The shortest distance from the base of a parallelogram to its opposite side.
What is height?
300
What is the height of a parallelogram that has an area of 45 sq in and and a base of 9?
5 inches
300
What is the base of a triangle with an area of 24 sq cm and a height of 6cm.
8 cm
300
What is the area of a trapezoid with bases of 7m and 12m and a height of 9.8m?
93.1 sq m
300
How do you find the area of a composite figure that has an overlapping section?
Subtract the area of the overlap from the total area.
300
Any side of a parallelogram.
What is its base?
400
What is height of a parallelogram with an area of 700 sq cm and a base of 35 cm.
20 cm
400
The front of a camping tent has a height of 3ft and a base of 5 ft. How much material was used to make the front of the tent?
7.5 sq ft
400
What is the height of a trapezoid with bases 12 ft and 15 ft and an area of 108 sq ft?
8 ft
400
How can you decompose figures to find area?
Section it into areas that you know how to find and then add the areas and/or subtract any overlapping areas.
400
A quadrilateral with opposite sides parallel and opposite sides congruent.
What is a parallelogram?
500
How is the formula for the area of a rectangle related to the formula for the area of a parallelogram?
The formula is the same A=bh.
500
An architect is designing a building on a triangular plot of land. If the base of the triangle is 100.8 feet and the height is 96.3 feet, find the available floor area of the building.
4,853.52 sq ft
500
A county is shape like a trapezoid. Its northern border is 9.6 miles across, the southern border is 25 miles across And the distance from the southern to the northern border is 90 miles. What is the area of the county?
1,557 sq miles
500
What is the area of a composite shape that is made up of a triangle and a square if the base of the triangle is 2 in and the height of the triangle is 3 in and the length and width of the square is 3 in?
12 sq in
500
An equation that shows a relationship among certain quantities.
What is a formula?
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