Question on: JAMB Mathematics - 2024
The area of a circle of radius 4 cm is equal to (Take π = 3.142)
A
10.3cm2
B
15.7cm2
C
50.3cm2
D
17.4cm2
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Correct Option: C
The area of a circle is given by \(A = \pi r^2\), where r is the radius. Given r = 4 cm and π = 3.142:
\(A = 3.142 \times 4^2 = 3.142 \times 16 = 50.272\) cm2. The closest option is 50.3 cm2.
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