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Mathematics 18 Online
OpenStudy (anonymous):

Can someone help me solve a problem?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Thank You Circle A has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. The diameter of circle B is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. Part A: Using the formula for circumference, solve for the value of pi for each circle. (4 points) Part B: Use the formula for area and solve for the value of pi for each circle. (4 points) Part C: What observation can you make about the value of pi for circles A and B? (2 points)

OpenStudy (anonymous):

okay hold on ill try to help you

OpenStudy (anonymous):

ok :)

OpenStudy (anonymous):

im sorry but i have no idea how to do this What grade are you in

OpenStudy (anonymous):

this is 7th grade math

OpenStudy (anonymous):

im in 7th grade

OpenStudy (anonymous):

haha ok im in 8th but im doing a two year program. Just trying to finish 7th grade math but i dont understand anything

OpenStudy (anonymous):

oh i think i could try figure it out hold on

OpenStudy (anonymous):

ok part A) circle A is 21.98/7=3.14 and circle b is 18.84/6=3.14.

OpenStudy (johnweldon1993):

Hint for A* what is the formula for the circumference of a circle?

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