How do you determine the radius given the diameter of a circle?
What is D/2?
What is A = pi(r2)?
Name ONE formula that can be used to deterine the circumfernce of a circle.
What is C = 2(pi)r or C = pi(d) ?
State the difference:
-5-3 =
What is -8?
How do you determine the diameter of the circle given the radius?
What is Rx2?
A number that can be used to ESTIMATE pi
What is 3?
A circle has a diameter of 3. Determine the circumference. Use 3.14 for pi.
What is C = 9.42?
State 2/5 as a decimal.
What is 0.40?
You are trying to figure out how much yarn is needed for around the table. This describes the ...
What is circumference?
A circle has a diameter of 8inches. Determine the area of the circle. Use 3.14 for pi.
What is A = 50.24 square inches?
A circle has a radius of 8. Determine the circumference of the circle. Use 3.14 for pi.
What is C = 50.24?
Name the Percent of Change formula.
What is big # - small #/ starting #
or the difference/ original amount?
What is the difference between area anf circumference of a circle?
What is area measuring the inside and circumference measuring the outside?
A circle has a radius of 5 meters. Determine the area of the circle. Use 3.14 for pi.
A circle has a diameter of 15.5. Determine the circumference of the circle. Use 3.14 for pi.
What is C = 48.67?
State a real life example of a composite figure.
What is a house?
(answers may vary)
True or False:
The area of a circle with a diameter of 5 inches is equal to the area of a circle with a radius of 2.5 inches.
What is true?
Two identical circles have the diameter of 4 yards. Determine the area of BOTH circles. Use 3.14 for pi.
What is A = 25.12 square yards?
Circle A has a radius of 6. Circle B has a radius of 3. Determine the difference between the circumferences of Circle A and Circle B.
What is C = 18.84?
State the formula used to determine the area of a semi circle.
What is A = pi(r2)/2?