AREA
What is the area of a cirlce of the radius is 1 cm?
3.14 centimeter squares
25.1 cm
What is the equation to number 7 on the worksheet?
r= 2
center is (5,3)
If one sprinkle sprays 5 feet in every direction, how much area does it cover?
78.5 feet squared
What is the answer to #4 on the SAT story problems?
B
What is the area of a circle if the diameter is 10 in?
78.5 square inches
What is the circumference is the diameter is 2 in?
6.28 inches
What is the answer to equation to number 13 on the worksheet?
Sarah is designing an edging for a circular tablecloth. If the diameter is 3 feet, how much fabric does she need?
9.45 feet
What is the answer to question 9 on your worksheet?
Teacher answer
What is the radius of a circle with an area of 20.8 square inches?
2.6 in
What is the diameter if the circumference is 20.6 cm?
6.6 cm
What is the answer to number 21 on the worksheet?
=25
Carol has a yard that is 400 square feet? She wants to put a pool in her yard that has a radius of 12 feet, will the pool fit in her yard? Why or why not?
No- Area is 452 square feet
What is the center of number 7 on SAT practice?
(-9,4)
What is the diameter of a circle with an area of 100.6 square inches?
11.32 inches.
What is the radius if the circumference is 1000 cm?
159.2 cm
Teacher answer
28.27 square inches
What is the center, radius and 4 other points on the circle for questions 19?
(-2,-4) r=4
(-2,0), (2,-4),(-2,-8), (-6,-4)
What is the area of a circle if the circumference is 18.8 inches?
28.12 square inches
How much bigger is the circumference than the radius of a circle?
6 times
Teacher answer
What is the circumference for question 23, if the radius is in feet?
49.1 feet
How much bigger is the radius from question 24 than question 9?
24. r = 8.9
9. r = 1.4
7.5