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Circumference
Area
Angles
Cross-section of 3D figures
100

What formula is used to calculate the circumference of a circle?

C=2 x pi x r

C = pi x d

100

What formula is used to calculate the area of a circle?

A = pi x r2

100

If two angles add up to 1800 , they are _______ angles.

Supplementary

100

What cross-section is formed when a rectangular prism is sliced parallel to its base?

Rectangle

200

Find the circumference of a circle that has a diameter of 10cm. Use 3.14 for pi.

31.4cm

200

The radius of a circular sign is 12 in. What is the area of the sign?

452.16 in2

200

If two angles add up to 900 , they are _______ angles.

Complementary 

Right

200

 A plane intersects a cylinder parallel to its base. The cross-section seen is a ___________.

Circle

300

The radius of a coin is 4 cm. What is its circumference in terms of pi?

C=8pi

300

The diameter of a coin is 6 cm. Find the area of the coin in terms of pi.

A = 9pi

300

One angle of a pair of complementary angles is 820. What is the measurement of the other angle?

80

300

William slices a cone perpendicular to its base. The shape of the cross-section is a _________.

Triangle

400

John wants to put a fence around his entire semi-circular flower bed. The diameter of flower bed is 18 m. How much fencing will he need.

46.26 m 

400

A large pizza has a diameter of 36 cm and a medium pizza a diameter of 30 cm. What is the difference in area of the pizza? Round your answer to the nearest whole number.

311 cm2

400

One angle of a pair of supplementary angles is 1230. What is the measurement of the other angle?

570

400

A plane intersects a square pyramid parallel to its base. Which two-dimensional shape describes its cross-section?

Square

500

A large pizza has a diameter of 36 cm and a medium pizza a diameter of 30 cm. What is the difference in circumference of the pizzas? Round your answer to the nearest whole number.

19 cm

500

The diameter of a semi-circle is 18 in. Find its area.

127.17 in2

500

Angle A is supplementary to angle B. The measure of angle A is 1490 and the measure of angle B is (13x + 5)0. What is the value of x?

x = 2

500

What cross-section is formed when a triangular pyramid is sliced parallel to its base?

Triangle