Vocabulary
Circumference in terms of pi
Circumference with Rounding
Rounding
2 step equations
100
The length from one half of the circle to the end

radius

100

The radius of a circle is 13 in. Find its circumference in terms of pi.

C=26π in

100

The diameter of a circle is 55 in. Find the circumference to the nearest whole number

C=173 in

100

Round 8.329 to the nearest tenth.

8.3

100

−z+7=6

1

200

The length from end to end of the circle

diameter

200

The radius of a circle is 19 cm. Find its circumference in terms of pi.

C=38π cm

200

The diameter of a circle is 184 m. Find the circumference to the nearest whole number.

The circumference is approximately 578 m.

200

Round 5.61 to the nearest whole number

6

200

−1+8z=−73

-9

300

it measures 360 degrees around

circle

300

The diameter of a circle is 10 cm. Find its circumference in terms of pi.

C=10π cm

300

The radius of a circle is 9.9 cm. Find the circumference to the nearest whole number.


The circumference is approximately 62 cm.


300

Round 2.567 to the nearest tenth

2.6

300

−98= 4x−50

6

400

what is measurement of pi

3.14

400

The radius of a circle is 4 m. Find its circumference in terms of pi.

The circumference of the circle is 8π m.

400

The diameter of a circle is 20 m. Find the circumference to the nearest tenth.

C=62.8 m

400

Round 0.43 to the nearest whole number

0
400

7b+2= 23

3

500

what is the formula for area of a circle

2xradiusxpi

500

The radius of a circle is 19 m. Find its circumference in terms of pi.

C=38π

500

The diameter of a circle is 40 m. Find the circumference to the nearest whole number.

The circumference is approximately 126 m.

500

Round 9.32 to the nearest tenth

9.3

500

−16−7a= 5

-3

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