SOLUTION: The circumstances of a circle exceeds the diameter by 90cm. Find the area of the circle.
Algebra.Com
Question 912353: The circumstances of a circle exceeds the diameter by 90cm. Find the area of the circle.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
The circumference of a circle exceeds the diameter by 90cm. Find the area of the circle.
***
let c=circumference=πd
d=diameter
c-d=90
πd-d=90
d(π-1)=90
d=90/(π-1)
d=90/(2.14)
..
area=π(d^2/4)
=π(90/2.14)^2/4≈1389
area of the circle≈1389 cm^2
RELATED QUESTIONS
The circumference of a circle exceeds its diameter by 30 cm.Find the radius of the... (answered by Theo)
A circumstances of a circle is 480pie inches. What is the radius of the circle what is... (answered by )
The diameter of a circle is 12 meters. Find the area of the... (answered by checkley71)
Find the area of a circle of a circle whose diameter is 18... (answered by stanbon)
What is the lenght of a diameter of the circle when the area of the circle is represented (answered by ewatrrr)
diameter of the circle is 15 cm. I need to find the area of the... (answered by Alan3354)
As many 8cm diameter discs as possible are cut from a sheet of rectangular cardboard... (answered by checkley77)
If the diameter of a circle is 4, then what is the area of the circle divided by its... (answered by Fombitz,richwmiller)
The circumference of a circle is feet. Find both the area and the diameter of the... (answered by Alan3354)