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Mathematics 21 Online
OpenStudy (anonymous):

PLEASE HELP WITH A CHERRY ON TOP WILL MEDAL NO DIRECT ANSWERS PLEASE Which of these best describes pi? A) The ratio of a radius of a circle to its diameter B) The square root of the area of a circle C)The ratio of the circumference of a circle to its diameter D) The radius of a circle times 3.14 The circumference of a circle is 76 centimeters. What is the diameter of the circle? Use 3.14 for pi and round to nearest hundredth. A) 12.1 centimeters B) 24.20 centimeters C) 25.33 centimeters D) 12 centimeters

OpenStudy (shaswatrajput):

Question 1 answer is C circumfence means 2*pi*radius So put 2*pi*radius=76 and get the radius.Then twicw the radius to get diameter

OpenStudy (anonymous):

wait how do I solve question 2

OpenStudy (shaswatrajput):

2*3.14*radius=76 so radius=12.10 diameter=2*radius get the diameter

OpenStudy (anonymous):

so it's A.12.10

OpenStudy (shaswatrajput):

diameter=24.2 cm

OpenStudy (shaswatrajput):

its B

OpenStudy (shaswatrajput):

A is radius not diameter, in question diameter is asked.

OpenStudy (anonymous):

thanks

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