Area
Surface Area
Similar Figures
Scale Factor
Proportion
100
The area (in terms of pi) of a circle with a radius of 5.
What is
25 pi
100
The surface area (in terms of pi) of a sphere with a radius of 5 cm.
What is
100 pi
100
Are the 2 triangles similar to each other?
Yes because of the angle, angle property.
100
On a blueprint, the measure of a room is 7 1/4" x 6 3/8". The scale is 1/8" = 1'. What are the real dimensions of the room?
58' x 51'
100
x/5=7/10
x=3.5
200
The area of the irregular shape.
What is 59 ft2?
200
The surface area of the roof.
What is 768 sq ft?
200
The missing value (rounded to the nearest tenth) on the similar figures.
What is 13.3 inches?
200
On a blueprint, the measure of a room is 7 1/4" x 6 3/8". The scale is 1/8" = 1'. What is the real area of the room?
2,958 sq ft
200
x/3=7/9
x=2.3
300
The length of the apothem if the area of the regular octagon is 96 ft2.
What is 3 ft?
300
The surface area (rounded to the nearest tenth) of the cylinder.
What is 188.5 sq ft?
300
The missing value (rounded to the nearest tenth) on the similar figures.
What is 12.9 feet?
300
The scale on a toy monster truck is 1 cm = 1 m. If the radius of the toy's tires is 1.5 cm, what is the circumference of the actual tire?
9.4 meters
300
3/x=9/7
x=2.3
400
The area of the shaded region, rounded to the nearest tenth.
What is 30.9 sq ft?
400
The surface area of the pyramid.
What is 304 sq ft?
400
The sun casts a 13 ft shadow of a pole. The fire hydrant which is 3 ft tall casts a 4 ft shadow. The height of the pole?
What is 9.75 feet?
400
On a blueprint, the kitchen is 5 inches long. If the actual kitchen is 20 feet long, find the scale of the blueprint.
1:4
400
(3x)/4=2/3
x=0.9
500
The area (rounded to the nearest tenth) of the shaded ring.
What is 373.8 sq ft?
500
The surface area of the prism.
What is 528 sq ft?
500
The missing value on the similar figures.
What is 7 feet?
500
If the scale is 1' = 1/4", how big will a room 10' x 12.5' be on the scale drawing?
2.5" x 3.125"
500
x=1.7
x=1.7