The area of a coin toss s 0.8cm.calculate it's area
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Answer:
Diameter of coin (d)=1m
∴ Radius of coin (r)=
2
1
=0.5m
⇒ Area of 4 sectors =4×
360
o
θ
×πr
2
⇒ Area of 4 sectors =4×
360
o
90
o
×3.14×(0.5)
2
⇒ Area of 4 sectors =0.785cm
2
⇒ Side of square =0.5+0.5=1m
⇒ Area of square =(side)
2
=(1)
2
=1cm
2
⇒ Area of shaded region = Area of square - Area of 4 sectors.
⇒ Area of shaded region =1−0.785=0.215cm
2
Explanation:
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answer of question is
0.8
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