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September 22, 2014

September 22, 2014

Posted by **Sandy** on Tuesday, February 26, 2013 at 8:37pm.

a) 16.0 mm

b) 26.4 mm

c) 8.4 mm

d) 33.5 mm

2. Find the area of the circle with the given radius or diameter. Round your answer to the nearest tenth.

Diameter = 42.0 mm

a) 137.6mm2

b) 376.7 mm2

c) 1,384.74 mm˛

d) 6,027.0 mm2

My Answer.... Please Be Honest! :D >.< ;) :P <3

1. a) 16.0 mm

2. b) 376.7 mm2

- Geometry -
**Sandy**, Tuesday, February 26, 2013 at 8:44pmPlease someone answer, Ms.Sue please anybody...? :( ??? :(

- Geometry -
**Sandy**, Tuesday, February 26, 2013 at 8:45pmNEED HELP!!! :( I'm new here so ..... i don't know :( ????!!!

- Geometry -
**Ms. Sue**, Tuesday, February 26, 2013 at 8:50pmPlease be patient, Sandy. We are volunteer tutors who answer questions when we have the time.

1 is right. 2 is wrong.

Use this formula for the second problem.

A = pi * r^

- Geometry -
**Sandy**, Tuesday, February 26, 2013 at 9:19pmOK, I'm so so sorry. It would never happen again! OK thank you so much when i'm finish I'll will tell you the answer OK? :D

- Geometry -
**Sandy**, Tuesday, February 26, 2013 at 9:24pmIs it a) 137.6mm2 is the answer because that's what I got ?

- Geometry -
**Sandy**, Tuesday, February 26, 2013 at 9:29pmI'm so sorry but i'm in a huge rush ms.sue :( !

- Geometry -
**Ms. Sue**, Tuesday, February 26, 2013 at 9:32pmNope.

Did you use this formula?

A = pi * r^2

- Geometry -
**Sandy**, Tuesday, February 26, 2013 at 9:34pmOops, I'm sorry i got confused the answer is pi(21)^2 = 1384.74

- Geometry -
**Ms. Sue**, Tuesday, February 26, 2013 at 10:35pmRight.

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