An ant is moving around a few food pieces of different shapes scattered on the floor.
For which food-piece would the ant have to take a longer round? Remember,
circumference of a circle can be obtained by using the expressione 2pr' where r is the
radius of the circle.
(a)
2.8 cm
2 cm
Answers
Answered by
2
Answer:
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Answered by
1
Answer:
(a) Perimeter of figure =
2
2πr
+2r=r(π+2)=
2
2.8
(π+2)=7.19 cm
(b) Perimeter =1.5+1.5+2.8+π(
2
2.8
)=10.19
(c) Perimeter =π(
2
2.8
)+2+2=8.39
Clearly, for food
′
b
′
the ant has to go more.
I hope it help you.........
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