2015
Mathematics
67ca00ce0c643c71d77dee1f
The area of a circle of radius 4cm is equal to (Take π = 3.142 )
A.
10.3 cm2
B.
15.7 cm2
C.
50.3 cm2
D.
17.4 cm2
Correct Answer: 50.3 cm2
Explanation
Area of a circle (A) = πr2 Radius = 4cm π = 3.142 A = 3.142 × (4)2 = 3.142 × 16 = 50.272 A = 50.3 cm2 (1dp)
Area of a circle (A) = πr2 Radius = 4cm π = 3.142 A = 3.142 × (4)2 = 3.142 × 16 = 50.272 A = 50.3 cm2 (1dp)THIS WEEK's
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