Multiple choice questions
with explanation
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Answer:
(ii)b
Step-by-step explanation:
area=πr^2
=π×7÷π×7÷π
=49÷π
Answered by
1
Answer:
(1) (a) Area of circle=πr^2
2464=22/7×r^2
r=√784
r=28
Diameter of circle= 2×r
=56m
(2) (a) area= πr^2
=22/7×(7/π)^2
=49π
=49×22/7
=154cm^2
(3) (d) Perimeter of semi circle=(π+2)r
=(22/7+2)63
=(36/7)63
=324cm
Step-by-step explanation:
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