AC Lim's answer to Bl's Primary 6 Maths Measurement Singapore question.
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Hope this helps
Date Posted:
1 year ago
Can you please explain why you need to find the area of half the circle? Thank you.
You are right, no need to find the circumstances (not area) of ½ ball as it has 2 ball.
So the total distance = 41.99+15+41.99+15 = 113.98cm.
Or (15+38)×2 - 14 +
(3.14×2) = 113.98cm
So the total distance = 41.99+15+41.99+15 = 113.98cm.
Or (15+38)×2 - 14 +
(3.14×2) = 113.98cm