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Let’s check out your problem:
Find the
area of a circle
with a circumference of
37
37
37
.
68
68
68
units.
\newline
□
\square
□
units
2
^{2}
2
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Math Problems
Grade 8
Evaluate powers with negative exponents
Full solution
Q.
Find the area of a circle with a circumference of
37
37
37
.
68
68
68
units.
\newline
□
\square
□
units
2
^{2}
2
Find Circle Radius:
Find the radius of the circle using the circumference.
\newline
Circumference
C
C
C
=
2
π
r
2 \pi r
2
π
r
\newline
37.68
=
2
π
r
37.68 = 2 \pi r
37.68
=
2
π
r
\newline
r
=
37.68
2
π
r = \frac{37.68}{2 \pi}
r
=
2
π
37.68
\newline
r
≈
37.68
6.28
r \approx \frac{37.68}{6.28}
r
≈
6.28
37.68
\newline
r
≈
6
r \approx 6
r
≈
6
Calculate
Circle Area
:
Calculate the area of the circle using the radius.
\newline
Area
A
=
π
⋅
r
2
A = \pi \cdot r^2
A
=
π
⋅
r
2
\newline
A
=
π
⋅
6
2
A = \pi \cdot 6^2
A
=
π
⋅
6
2
\newline
A
=
π
⋅
36
A = \pi \cdot 36
A
=
π
⋅
36
\newline
A
≈
3.14
⋅
36
A \approx 3.14 \cdot 36
A
≈
3.14
⋅
36
\newline
A
≈
113.04
A \approx 113.04
A
≈
113.04
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Question
Factor completely.
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Question
Evaluate the following expression.
\newline
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Evaluate the following expression.
\newline
9
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Question
Evaluate the expression. Do not round your answer.
\newline
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−
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=
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+
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)
2
−
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Question
Evaluate the expression.
\newline
Do not round your answer.
\newline
(
4
+
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)
2
+
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=
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4
+
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Question
Evaluate the following expression.
\newline
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−
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=
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