Circles and Circumference
Areas of Circles
Random
Polygons
Unknown Angle Measures
100

This is the term for the distance around a circle.


What is circumference?

100

This formula is used to find the area of a circle using its radius.


What is A = πr²?

100

This animal is known for its black and white stripes and is often found on the savannah.


What is a zebra?

100

A triangle has angles measuring 50° and 60°. What is the measure of the third angle?


What is 70°?

100

Two angles are complementary if their measures add up to this number of degrees.


What is 90°?

200

This formula is used to find the circumference of a circle when given the diameter.


What is C = πd?

200

If the radius of a circle is 5 cm, what is its area? (Use π ≈ 3.14)


What is 78.5 cm²?

200

This planet is known as the "Red Planet" and is the fourth from the Sun.


What is Mars?

200

A composite figure is made up of a rectangle and a triangle. If the rectangle has a length of 8 units and a width of 4 units, what is the area of just the rectangle?


What is 32 square units?

200

Two angles are supplementary if their measures add up to this number of degrees.


What is 180°?

300

If the diameter of a circle is 10 cm, what is the circumference of the circle? (Use π ≈ 3.14)


What is 31.4 cm?

300

The diameter of a circle is 8 inches. What is the area of the circle? (Use π ≈ 3.14)


What is approximately 50.24 in²?

300

This magical school is the main setting for the Harry Potter series.


What is Hogwarts?

300

A composite shape is made of a square with a side length of 6 cm and a semicircle with a diameter equal to the side of the square. What is the perimeter of the composite figure? (Use π ≈ 3.14)


What is approximately 30.84 cm?

300

If one angle measures 35°, what is the measure of its complementary angle?


What is 55°?

400

The radius of a circle is 7 inches. Find the circumference of the circle. (Use π ≈ 3.14)


What is approximately 43.96 inches?

400

The area of a circle is 314 cm². What is the circle's radius? (Use π ≈ 3.14)


What is 10 cm?

400

This traditional Italian dish features thin, wide sheets of pasta layered with bolognese sauce, béchamel, and grated cheese, then baked to perfection.


What is lasagna?

400

You have three sides with lengths 3 cm, 4 cm, and 5 cm. Can you construct a triangle with these sides, and if so, what type of triangle is it?


What is a scalene triangle, or right triangle (Yes, a triangle can be formed)?

400

Two angles are supplementary. If one angle measures 110°, what is the measure of the other angle?


What is 70°?

500

A circle has a circumference of 62.8 cm. Calculate its radius. (Use π ≈ 3.14)


What is 10 cm?

500

A circular garden has a radius of 12 feet. What is its area, rounded to the nearest whole number? (Use π ≈ 3.14)


What is approximately 452 ft²?

500

This large string instrument, often used in orchestras and known for its deep, resonant sound, is played while standing or sitting on a high stool.


What is a double bass?

500

A triangle has two sides measuring 7 cm and 10 cm. What is the range of possible lengths for the third side?


What is greater than 3 cm but less than 17 cm?

500

A pair of angles are vertical angles. If one angle measures 85°, what is the measure of the other angle?


What is 85°?