Circles
Dilations
Area
Area - Part 2
This and That
100
the radius
What is the distance from the center of a circle to any point on the circle?
100
a dilation in which a figure gets larger
What is an expansion?
100
the area of a parallelogram which has a base of 6 cm and a height of 9 cm
What is 54 square cm ?
100
the number of square foot tiles needed to cover a floor which is 5 feet by 6 feet
What is 30 tiles?
100
the perimeter of a regular nonagon with 7 inch sides
What is 63 inches?
200
the diameter
What is the distance from any point on the circle through the center to another point on the circle?
200
a dilation in which a figure gets smaller
What is a contraction?
200
the area of a triangle with a base of 8 inches and a height of 4 inches
What is 16 square inches?
200
the number of 2 square foot tiles needed to cover a floor which is 5 feet by 6 feet
What is 15 tiles?
200
the side measurement of a regular octagon with a perimeter of 72 cm
What is 9 cm?
300
the circumference
What is the distance all the way around a circle?
300
the number you multiply the original dimensions of a figure by in a dilation
What is the scale factor?
300
the area of a triangle with base of 12 cm and a height of 10 cm
What is 60 square cm?
300
the number of additional square foot tiles needed to cover a floor which has been expanded from 5 feet by 5 feet to 10 feet by 10 feet
What is 75 more tiles?
300
the approximate circumference of a circle with a diameter of 10 inches
What is approximately 30 inches?
400
The diameter of the circle is this when the radius is 6 inches.
What is 12 inches?
400
If the perimeter is increased by two times in a dilation, the area would increase by this factor.
What is 4 times?
400
the area of a rectangle with a length of 20 inches and a width which is half of the length
What is 200 square inches?
400
the number of additional square foot tiles needed to cover a floor which has been expanded from 4 feet by 5 feet to 12 feet by 15 feet
What is 160 more tiles?
400
the approximate circumference of a circle with a radius of 3 inches
What is approximately 18 inches?
500
The radius of a circle is this when the diameter is 8 cm.
What is 4 cm ?
500
If the perimeter of a figure increases by three times, the area of a figure increases by this factor.
What is 9 times?
500
the area of a triangle which has a base of 8 meters and a height that is 4 meters greater than the base
What is 48 square meters?
500
the formula for finding the area of a circle
What is pi x r x r ?
500
how the area of a figure will change if the perimeter is 1/3 of the original size
What is 1/9 of the original area?
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