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Math Problems
Grade 7
Circles: word problems
A man has bent a circular wire of radius
49
cm
49\text{cm}
49
cm
to form a square. Find the sides of a square.
\newline
100
cm
100\text{cm}
100
cm
\newline
50
cm
50\text{cm}
50
cm
\newline
98
cm
98\text{cm}
98
cm
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The volume of a right cone is
144
π
144 \pi
144
π
units
3
^{3}
3
. If its height is
12
12
12
units, find its radius.
\newline
Answer: units
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The volume of a right cone is
1680
π
1680 \pi
1680
π
units
3
^{3}
3
. If its radius measures
12
12
12
units, find its height.
\newline
Answer: units
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The volume of a right cone is
27
π
27 \pi
27
π
units
3
^{3}
3
. If its height is
9
9
9
units, find its radius.
\newline
Answer: units
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The volume of a right cone is
343
π
343 \pi
343
π
units
3
^{3}
3
. If its height is
21
21
21
units, find its radius.
\newline
Answer: units
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\newline
A man has bent a circular wire of radius
49
cm
49\text{cm}
49
cm
to form a square. Find the sides of a square.
\newline
A
)
100
cm
A)100\text{cm}
A
)
100
cm
\newline
B
)
50
cm
B)50\text{cm}
B
)
50
cm
\newline
C
)
98
cm
C)98\text{cm}
C
)
98
cm
Get tutor help
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