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Let’s check out your problem:
The
radius of a circle
is
14
e
x
t
c
m
14 ext{cm}
14
e
x
t
c
m
. Find its area in terms of
e
x
t
p
i
ext{pi}
e
x
t
p
i
. Answer A = oxed{} ext{cm}^{2} Submit Answer
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Math Problems
Grade 6
Evaluate variable expressions: word problems
Full solution
Q.
The radius of a circle is
14
e
x
t
c
m
14 ext{cm}
14
e
x
t
c
m
. Find its area in terms of
e
x
t
p
i
ext{pi}
e
x
t
p
i
. Answer A = oxed{} ext{cm}^{2} Submit Answer
Calculate Area Formula:
Step
1
1
1
: We know the formula for the
area of a circle
is
A
=
π
r
2
A = \pi r^2
A
=
π
r
2
.
Plug in Radius:
Step
2
2
2
: Plug in the radius
r
=
14
e
x
t
c
m
r = 14 ext{ cm}
r
=
14
e
x
t
c
m
into the formula.
A
=
π
(
14
)
2
A = \pi (14)^2
A
=
π
(
14
)
2
Calculate Radius Squared:
\newline
Step
3
3
3
: Calculate
1
4
2
14^2
1
4
2
.
\newline
14
×
14
=
196
14 \times 14 = 196
14
×
14
=
196
Multiply by Pi:
Step
4
4
4
: Multiply the result by
π
\pi
π
.
A
=
196
π
cm
2
A = 196\pi \ \text{cm}^2
A
=
196
π
cm
2
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