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Subjects
Mathematics State Board
Class 7
Measurements
Area of a circle
1.
Calculate radius and diameter
Exercise condition:
2
m.
Area of the circular region is
138600
cm
2
. Then
calculate
the radius and diameter. [
use
π
=22/7]
Radius
\(=\)
\(cm\)
Diameter
\(=\)
\(cm\)
Answer variants:
234
210
420
195
468
390
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