Share
The diagram below shows a rectangular sheet of cardboard with 2 circular pieces cut from it. The radius of each of the circular pieces
Question
The diagram below shows a rectangular sheet of cardboard with 2 circular
pieces cut from it. The radius of each of the circular pieces is 3cm. Find the
area of remaining card.
in progress
0
Mathematics
3 years
2021-09-03T17:54:08+00:00
2021-09-03T17:54:08+00:00 2 Answers
5 views
0
Answers ( )
Answer:
Two sector of 90 degree cut out(90*2=180 degree) means semicircle
perimeter of circle= 2πr
= 2*22/7*3=18.85 cm
perimeter of semicircle=18.85/2=9.42 cm approx
2 =
3cm =
Explanation – solve the function operation