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## A square of side 80 cm ,had patterns in circles of diameter 15cm laid out each touching the other .Find the area of the square not

Question

A square of side 80 cm ,had patterns in circles of diameter 15cm laid out each touching the other .Find the area of the square not covered by the circles. plz give answer in fraction not in fraction

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Mathematics
1 month
2021-08-16T05:50:00+00:00
2021-08-16T05:50:00+00:00 2 Answers
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## Answers ( )

Step-by-step explanation:diameter =15

and , radius =15/2=7.5cm

pattern in circle =22/7 (we know that)

therefore,

remaining area = 6400 -22/7×7.5×7.5cm

6223.21cm.

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Step-by-step explanation:The required remaining area is 6223.21cm.

Step-by-step explanation:

80× 80⇢ 6400cm

Diameter⇢ 15cm

Radius⇢ 7.5cm

π⇢22/7

Remaining area ⟹ 6400- 22/ 7

(7.5)^{2}(7.5)

2

Remaining area

⟹6400 − 722×(7.5)^2

6223.21cm

Hence, the required remaining area will be 6223.21cm