Question

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​

Answer 1

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