circumference
area of polygons
area of circles
WORKING BACKWARDS
Is it possible?
100

What is the circumference of a circular plate that has a 12 inch diameter? Round your answer to the nearest tenth.

37.7 in.

100

What is the area of a square baseball base with a side of 15 inches?

225 square inches

100

A circular target has a bulls eye that is 5 inches in diameter. Find the area of the target to the nearest tenth.

78.5 square inches

100

Three side lengths  of 5 cm, 12 cm, and 16 cm are chilling at 12 cm's basement. They really hope they could become a triangle together as their best friends. So, they try to form a triangle after eating baked ravioli for lunch. Is it possible?  

Yes!  5 + 12 = 17 

17 > 16

100

The area of a square is 25 square inches. What is the side length?

5 inches

200

What is the circumference of a circular frisbee that has a radius of 4 inches? Round your answer to the nearest tenth.

25.1 inches

200

What is the area of a rectangular room that has dimensions of 24 feet by 16 feet?

384 square feet

200

A circle has a radius of 10 inches. What is the area of the circle?

314 square inches

200

There are three angles of 30, 42, and 107 degrees hanging out at the park.  They heard about the side lengths hanging out in a basement and they too want to get together to form a triangle.  Is it possible?

No!  30 + 42 + 107 = 179; 

179 ≠ 180

200

There are three angles of 30, 42, and 107 degrees hanging out at the park.  They heard about the side lengths hanging out in a basement and they want to get together to form a triangle too.  Is it possible?

No!  30 + 42 + 107 = 179; 

179 ≠ 180

300

What is the circumference of a rubber ball that has a radius of 4.5 inches? Round your answer to the nearest tenth.

28.3 inches

300

What is the area of a parallelogram with a base of 16 m and a height of 18 m?

288 square meters

300

A circular sign has a diameter of 13 inches. What is the area of the sign to the nearest tenth?

132.7 square inches

300

Barry wants his 140 degree angle to have a complementary angle. Is it possible? What is this angle if it is possible.

No!  140 > 90

300

Barry wants his 140 degree angle to have a complementary angle. Is it possible? What is this angle if it is possible.

No!  140 > 90

400

If the circumference of a circle is 56.52 inches, what is the diameter of the circle?

18 inches

400

What is the area of a triangle that has a base of 18 inches and a height of 7 inches?

63 square inches

400

A circle has an area of 31,400 square feet. Find the radius.

100 feet

400

Rick decides that his 30 degree angle deserves a supplementary friend.  He starts looking for an angle buddy. Is it possible?  What is this angle if it's possible.

Yes!  30 + 150 = 180

180 = 180

400

The area of a circle is 530.66 square inches. What is the radius of the circle?

13 inches

500

If the circumference of a circle is 65.94 feet, what is the radius of the circle?

10.5 feet

500

A trapezoid with bases of 20 feet and 25 feet has a height of 13 feet. What is its area?

292.5 square feet

500

The circumference of a circle is 25.12 inches. Find the area of the circle to the nearest tenth.

50.2 square inches

500

Two angles are opposite each other and both are thinking, "Wow, this dude looks exactly like me."  They talk a bit and believe they could be vertical angles.  Is it possible?

Yes!  Vertical angles are congruent.

500

Final Jeopardy! 

Why did the 32 degree angle say, "I think you're nice," to the 58 degree angle?  Who replied, "I think you're a cute angle yourself."

They're complementary angles!