SOLUTION: A circular disc of radius 6 cm is cut out from a larger circular disc of radius 12 cm. Find the remaining area. (Take pie as 3.14)
Algebra.Com
Question 1042067: A circular disc of radius 6 cm is cut out from a larger circular disc of radius 12 cm. Find the remaining area. (Take pie as 3.14)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Use 
to calculate the area of the large disk BEFORE it had the smaller one cut out of it. Then use the same formula to calculate the area of the smaller disk. Subtract the area of the smaller disk from the area of the larger disk.
John
My calculator said it, I believe it, that settles it
RELATED QUESTIONS
A jewelry designer is making a pendant. The pendant will be a circular disc (center O)... (answered by ikleyn)
Two circular metal disc of radii 3.3cm and 5.6cm are melted down and cast into a single... (answered by ikleyn)
a rectangular acrylic sheet is 36 cm by 25cm. from it, 56 circular buttons.each of... (answered by MathLover1,josmiceli)
Calculate the area of a circular disc 5.86cm in... (answered by rfer)
A circular piece of wood with an area of 202π cm^2 has a smaller circle cut out from (answered by josgarithmetic)
what is the maximum number of circular plates of radius 2 cm each that can be cut out... (answered by Theo)
A circular disc has an area that measures between 1,650 and 1,700 square inches.
What... (answered by LinnW)
A solid steel ball of radius 12 cm. is cut by a plane 6 cm. from its center. Find the... (answered by Alan3354)
Find the total surface area of a solid, right circular cone of a height 4 cm and radius 3 (answered by Alan3354,MathLover1)