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March 29, 2015

March 29, 2015

Posted by **Chase** on Wednesday, April 24, 2013 at 12:47pm.

A.First circle shows half a line measuring 4mm using 3.14 for pie. I came up with an answer that is wrong.:(

B.Second circle same pie but with a line all teh way across the circle measuring 18cm. I got this one wrong?

Please help with steps on each? I want to understand what I got wrong so I can do better.

- Math Geo help Ms Sue? -
**Ms. Sue**, Wednesday, April 24, 2013 at 12:49pmWhat questions are you trying to solve?

Circumference? Area? ??

- Math Geo help Ms Sue? -
**Chase**, Wednesday, April 24, 2013 at 12:49pmarea

- Math Geo help Ms Sue? -
**Ms. Sue**, Wednesday, April 24, 2013 at 12:55pmA. Radius = 4

A = pi * r^2

A = 3.14 * 4^2

A = 3.14 * 16

A = 50.24 sq. cm.

B. Radius = 9 cm

Solve this the same was that I solved A.

- Math Geo help Ms Sue? -
**Chase**, Wednesday, April 24, 2013 at 1:11pmI really understand thank you.

- Math Geo help Ms Sue? -
**Ms. Sue**, Wednesday, April 24, 2013 at 1:16pmYou're welcome. :-)

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