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anzhelika [568]
2 years ago
8

The volume of a right square pyramid is 7 yd.. If the lengths of the sides of the base are multiplied by 5 and the height does n

ot change, what is the volume of the new pyramid?
A) 25 yd.
B) 35 yd.
C) 125 yd.
D) 175 yd.
Its D
I took the test

The radius of the base of a right circular cone is 7 times greater than the radius of another right circular cone. If the heights of both cones are the same, what is the volume of the larger cone divided by the volume of the smaller cone?
A) 7
B) 14
C) 28 It's D
D) 49

The surface area of a right circular cone is 15π in.. The cone is enlarged by multiplying both the radius of the base and the slant height by 4. What is the surface area of the new cone?
A) 80π in. It's D
B) 120π in.
C) 60π in.
D) 240π in.

A right circular cone has a volume of 25π ft.. If the radius of the cone is doubled but the height remains fixed, what is the volume of the resulting larger cone?
A) 400π ft.
B) 100π ft. It's B
C) 75π ft.
D) 50π ft.
The base of a right circular cone has a radius of 8 cm and a slant height of 12 cm. If the radius and the slant height of the right circular cone are each multiplied by 9, what is the surface area of the new cone divided by the surface area of the original cone?
A) 96
B) 81 It's B
C) 72
D) 18
The lengths of the sides of the base of a right square pyramid and its slant height are doubled. What is the surface area of the larger pyramid divided by the surface area of the smaller pyramid?
A) 16
B) 8
C) 4
D) 2 It's C

A right circular cone has a volume of 30π m. If the height of the cone is multiplied by 6 but the radius remains fixed, which expression represents the resulting volume of the larger cone?
A) 6 + 30π m
B) 6 x 30π m It's B
C) 6 x 30π m
D) 6 x (30π) m

A right square pyramid has a surface area of 80 m. If the lengths of the sides of the base and the slant height of the pyramid are multiplied by 5, what is the surface area of the new cone?
A) 2000 m It's A
B) 1600 m
C) 800 m
D) 400 m

The height of a right square pyramid is multiplied by 6, but the area of the base remains fixed. What is the volume of the taller pyramid divided by the volume of the shorter pyramid?
A) 3
B) 6
C) 9
D) 12 Don't know but it is not D


The radius of the base of a right circular cone is 4 in., and its slant height is 15 in. If the radius and the slant height are each multiplied by 6, by what factor is the surface area multiplied?
A) 6
B) 9
C) 12
D) 36 it's D
Mathematics
2 answers:
ZanzabumX [31]2 years ago
7 0
Answer:


Explanation

D
timurjin [86]2 years ago
4 0
Hi I believe I know the answer it’s D because I remember doing a test on this .TIANA
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