Aarti has to cut out circles of diameter ¹¼ cm from a sheet of paper of dimensions ⁸¾ cm by ¹¼ cm as shown in figure How many full circles can Aarti cut
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Answer:
Given d=1
4
1
=
4
5
⇒r=
8
5
Cm.
Area of circle =πr
2
=π(
8
5
)
2
=
64
25π
Cm
2
.
Area of strip =(8
4
3
)×(1
4
1
)=
4
35
×
4
5
=
16
175
Cm
2
=10.9375Cm
2
.
diameter of circle = breadth of strip.
of Circles =
diameterofcircle
Lengthofstrip
=
(5/4)
(35/4)
=7
Total area of circles =7×
64
25π
=8.590cm
2
.
Area wasted = strip area - total area of circles
=2.343cm
2
Step-by-step explanation:
i hope u understant this answer
and this question is to good
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