Graphing Inequalities

Question 1

Which statements are true about the area of a circle? Check all that apply.

Revolt · Accepted Answer

Area = r2.; The area formula can be found by breaking apart the circle and forming a parallelogram.; The area of a circle is in square units.

Question 2

The approximated value for the area is .

Revolt · Accepted Answer

28.3 square miles

Question 3

What is the approximate area of the circular pond rounded to the nearest whole number? m2

Revolt · Accepted Answer

1,134

Question 4

The area in terms of pi is

Revolt · Accepted Answer

9

Question 5

Use the base of the grassy area to find the approximate area of the circular garden. Use = 3.14. If necessary, round to the nearest tenth.

Revolt · Accepted Answer

7.1 yd2

Question 6

What is the value of the diameter rounded to the nearest whole number?

Revolt · Accepted Answer

38 m

Question 7

The radius of the fountain and walkway together is .

Revolt · Accepted Answer

9 ft

Question 8

What is the value of the radius rounded to the nearest whole number?

Revolt · Accepted Answer

19 m

Question 9

The area in terms of pi of the fountain and the walkway together is π ft2.

Revolt · Accepted Answer

81

Question 10

The approximate value for the area of just the walkway to the nearest whole number is .

Revolt · Accepted Answer

53 square feet

Graphing Inequalities Answers