Monday

March 30, 2015

March 30, 2015

Posted by **Jerald** on Wednesday, March 6, 2013 at 6:12pm.

A.108

B.54

C.21

D.30

B?

If the area of a square is 81 square meters which formula would you use to calculate the perimeter of the square?

A.p=lxw

B.p=s+s

C.p=4(s)

D.Not here

C?

The circumference of this circle is approximately 66 inches. What is the radius?

A.33

B.22

C.11

D.Not here

D?

- Math -
**Ms. Sue**, Wednesday, March 6, 2013 at 6:17pmThe first two are correct. Your last one isn't right.

C = pi * d

- Math -
**Jerald**, Wednesday, March 6, 2013 at 6:20pmI don't know the diameter.

- Math -
**Ms. Sue**, Wednesday, March 6, 2013 at 6:24pmBut you do know the circumference. And you know the value of pi.

- Math -
**Jerald**, Wednesday, March 6, 2013 at 6:28pmOh. Because I was using the formula radius=C/2 pi

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