Formulas
Circles
Area/Perimeter Problems
Word Problems
Random ;)
100
This is the formula of a square
What is l x w (length times width)
100
What is the diameter of a circle that has a radius of 3.5 cm?
What is 7cm?
100
Jack just bought a puppy. He wants to make a fence to cover the outside of his yard so the puppy cannot get out. However, his yard is not a perfect rectangle or square. The yard resembles a square connected to a quarter circle. If the length of the square part of the yard is 6 feet, and the radius of the quarter circle is 2 feet, how much fencing is needed for the outside of the yard so the puppy does not run away? (use 3.14 for pi)
What is 36.56 feet.
100
Tyra is craving ice cream, so she goes to the store to buy some. She cannot decide between chocolate or cookies and cream, so she buys both. If all of the ice cream costs the same, at $2.75 a carton, write an expression for how much she spends on ice cream
What is 2.75 + 2.75
100
True or false: Miss Radue has a twin.
What is true
200
This is the formula for the area of a circle.
What is A=πr2 (pi times r squared)
200
What is the radius of a circle if the area is 144
What is 12 inches.
200
If the perimeter of a square is l + l + w + w, what is an equivalent expression for that?
What is 2(l + w) or 2l + 2w.
200
If a rectangular prism has a height of 6.5 cm, and its base has a length of 4 cm and a width of 2.5 cm, what is the surface area of this prism?
What is 104.5 square cm.
200
Miss Radue went to which college to receive her degree?
What is Martin Luther College (MLC)
300
This is the circumference of a circle.
What is 2πr or πd (2 pi r or pi d)
300
If a circle has a diameter of 13.5 units, find the circumference of the circle. (use 22/7 for pi)
What is 42.4 units.
300
Susan bought some metal sticks to make a triangle instrument. She knows the area of the triangle has to be 156 square centimeters. If the bottom of the triangle is 24 cm long, how long must the height of the triangle be to get the best sound out of her instrument?
What is 13 cm?
300
A play court on the school playground is shaped like a square joined by a semicircle. The perimeter around the entire play court is 164.2 ft., and 48.6 ft. of the total perimeter comes from the semicircle. What is the radius of the semicircle? Use 3.14 for
What is 15.5 ft.
300
How many teachers (including teacher's aids) teach at CSP's WEST campus?
What is 10.
400
This is the formula for BOTH a semicircle and a quartercircle
What is πr2/2 and πr2/4 (pi times r squared divided by 2 and pi times r squared divided by 4)
400
What is the area of 4 quarter circles that have a radius of 2.5 feet? (use 3.14 for pi)
What is 19.625 square feet
400
A new park was designed to contain two circular gardens. Garden A has a diameter of 20 m, and garden B has a diameter of 60 m. If the gardener wants to outline the gardens in edging, how many meters will be needed to outline the smaller garden? (Write in terms of
What is 20
400
Marcus drew two adjacent angles. a. If ∠A
What is 144 degrees.
400
This person is older (Miss Radue or Mrs. Arndt)
What is Miss Radue
500
This is the ratio of the circumference of a circle to its diameter.
What is π (pi).
500
Imagine a circle inside of a square. If the radius of the circle is 8 cm, find the following and EXPLAIN your solution. (Use 3.14 for pi) a. The circumference of the circle b. The area of the circle c. The area of the square
What is a. 50.42 cm with explanation b. 200.96 square cm c. 256 square cm
500
The gardener wishes to put down weed block fabric on the two gardens (one is 20 m in diameter and the other one is 60 m in diameter) before the plants are planted in the ground. How much fabric will be needed to cover the area of both gardens? (Write in terms of
What is 4000
500
The surface area of a right rectangular prism is 68 2/3 in2. The dimensions of its base are 3 in. and 7 in. Use the formula SA= LA + 2
What is 1 1/3 inches.
500
This is the number of weeks of school left.
What is 6 weeks.
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