Area of Figures
Surface Area of 3D figures
Volume of 3D Figures
Similar Ratios using Vol and SA
10
A triangle has a base of 10 feet and a height of 5 feet. What is the area of its Scale Factor if dilated by 1/2 ?
12.5
10
In the surface area of a prism, P represents ___________ and B is the _____________ of the 3D figure.
P- Perimeter of the Base
B- Area of the Base
10
Volume is measured in square units
True
False
False. Volume is measured in cubic units
10
To get a volume ratio back to a scale factor, we must-
A. Square root
B. Cube Root
C. Take power of 2
D. Take power of 3
B. Cube Root
25
The area of a rectangle is found by multiplying length and width / base and height. If a given base is 10cm and a height of 9cm, the area is -
90 cm sq
25
In a right triangle, find the hypotenuse/ slant height of a pyramid with height of 6cm and a radius of 8cm
(think pythagorean theorem)
10cm
25
What is the volume of the pyramid below?
484 cm3
25
If a scale factor ratio is given to be 3:9, their surface area ratio is-
A. 3:9 C. 9:81
B. 9: 16 D. 27: 729
C. 9:81
50
The area of a circle with a radius of 5cm is- (give answer in terms of pi π)
30π 20π
25π 5π
25π
50
height = 12, radius = 5. What is the slant height?
13 in
50
Find volume of the pyramid
16.7 in³
50
If a scale factor ratio is given to be 3:9, their volume ratio is-
A. 3:9 C. 9:81
B. 9: 16 D. 27: 729
D. 27: 729
80
A square has two consecutive sides of 5cm and 5cm. What is the best way to find the area of a square?
5 x 5
53
52
5 X 2
Both 5 x 5 and 52
80
What is the slant height of the cone below?
l = 17
80
Find the volume of a cone with radius 4 m and a height of 12 m.
201.1 m³
80
If a volume ratio of 2 solids is 64: 125,
their surface area ratio is-
A. 5:10 C. 16:25
B. 4: 8 D. 4:5
C. 16:25
100
A triangle below is given. Find the area AND hypotenuse (3min)
Area: 6 cm sq
Hypotenuse: 5cm
100
What is the surface area of the cone below?
Approx 628 units
100
Find the volume of the cylinder in terms of π. Formula = πr2h
A. 63π C. 50π
B. 21π D. 49π
A. 63π
100
If a volume ratio of 2 solids is 343:216,
their surface area ratio is-
A. 7:1 C. 7:6
B. 4:6 D. 49:36
D. 49:36