SOLUTION: Calculate the circumference and area of each circle
16cm
20cm
10cm
8cm
18cm
Algebra.Com
Question 573020: Calculate the circumference and area of each circle
16cm
20cm
10cm
8cm
18cm
Answer by mathsmiles(68) (Show Source): You can put this solution on YOUR website!
You have to be more specific with what 16cm, 20cm, etc are. Are those radii or diameters?
The formula for circumference is
C = pi x diameter
The formula for area of a circle is
A = pi x radius^2
Finally,
diameter = radius x 2
With those three formulas, you should be able to solve this for each of the lengths you mention, being careful to convert radius and diameter.
Good luck!!
RELATED QUESTIONS
find circumference of circle... (answered by checkley75)
Triangle PQR has PQ=8cm, QR= 10cm and angle PQR is 40º. Calculate the area of triangle... (answered by stanbon)
The top and bottom diameters of a bucket are 20cm and 16cm respectively. If the bucket is (answered by mananth)
The vertices of a regular pentagon lie on the circumference of a circle radius 10cm.... (answered by solver91311)
Find the area of a triangle ABC, DC=84degrees, side B=10cm and... (answered by Cromlix)
A circle with the radius of 20cm. Has a semi circle with the radius of 10cm. Find the... (answered by josgarithmetic)
TA and HA are secants. If TA=18cm,LA=8cm,and AE= 10cm, what is the length of AH in the... (answered by greenestamps)
Segment TA and segment HA are secants. If TA= 18cm,LA=8cm,and AE=10cm, what is the length (answered by ikleyn)
What is the radius of a circle if a chord of the circle that is 16 centimeters long is 6... (answered by Alan3354,MathLover1)