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Subjects
Mathematics State Board
Class 7
Measurements
Area of a circle
2.
Two mark example problems
Exercise condition:
4
m.
1
. Find the
area
of the circle of radius \(21 \ cm\). (Use \(\pi = 3.14\))
Answer
:
Area
of the circle \(=\)
\(cm^2\)
2
. Find the area of a hula loop whose
diameter
is \(28 \ cm\). (Use \(\pi = \frac{22}{7}\))
Answer
:
Area of the
hula loop
\(=\)
\(cm^2\)
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