Area
Area
Composite Shape
Change in Dimensions
Missing dimensions
100
Write the formula for the area of a parallelogram
A=bh
100
Find the area of a parallelogram with a base of 2 and one half yards and a height of 3 and two-fifths yards.
8 and 1/2 yards squared
100
Look at the first picture on your handout
309 feet squared
100
Draw a parallelogram with a base of 4 and a height of 3. Suppose the side lengths of the parallelogram were tripled. What effect would this have on the perimeter? How about the area?
Perimeter: 42 (multiply the original perimeter by 3) Area: 108 (multiply the original area by 3 squared)
100
Find the missing dimension of a parallelogram: Area - 96 yards squared Height - 8 yards
Base is 12 yards
200
Find the area of the triangle - Base - 12.1 m, Height - 6.4 m
38.72 m squared
200
Write the formula for the area of a triangle
Area - BH/2
200
Look at the third picture on your handout - Find the area of the shaded portion.
295.26 cm squared
200
Draw a trapezoid with the following measurements: 13 cm, 14 cm, 24 cm, and 14 cm. Suppose the side lengths of the trapezoid re multiplied by 1/2. What is the effect on the perimeter?
The new perimeter is 32.5 cm
200
Find the missing dimension of a triangle: Area - 40 meters squared Height - 8 meters
base is 10 meters
300
Write the formula for a trapezoid
Area = (Base1 + Base2) H/ 2
300
Find the area of the trapezoid - Base 1 - 1 ft, Base 2 - 0.5 ft, height - 0.3 ft
.225 ft squared
300
Look at the 4th picture on your handout (L shape). Find the total area.
84 meters squared
300
A rectangle measures 2 feet by 4 feet. Suppose the side lengths are multiplied by 2.5. What effect would this have on the area?
Area is 50 feet squared
300
Find the missing dimension of a triangle: Area - 38.72 height - 6.4
The base is 12.1
400
Find the area of the trapezoid - base 1 - 2.5 m, Base 2 - 4.8 m, height - 4 m
14.6 meters squared
400
Find the area of the triangle - Base: 41 and one half, Height: 36feet
747 feet squared
400
Find the area of the second picture on your handout
492.5 feet squared
400
Draw a triangle with a base of ten and a height of 5 cm. The side lengths of the triangle are multiplied by 5. What effect would this have on the area?
625 is the new area
400
Find the missing dimension of a trapezoid: Area - 21 yards squared base 1 - 2 yards base 2 - 5 yards
Height is 6 yards
500
Find the area of the triangle: Base - 100.8 ft, Height - 96.3 ft
4853.52 ft squared
500
Find the area of the triangle Base - 25 m, Height - 7 m
87.5 meter sqaured
500
Find the area of the last picture (the pentagon).
76.6 meters squared
500
Draw a triangle with a base = 5cm, height = 4cm, and the opposite angle is 6.4 cm. The lengths of the triangle are tripled. What is the effect on the perimeter and the area.
Perimeter - 46.2 Area - 90
500
Find the missing dimension of a trapezoid: Area - 24 cm squared base 1 - 4 sm base 2 - 12 cm
the height is 3
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