Question

A train covers 10 km in the first 10 min, 20km in the next 10 min ,and 30 km in the next 10 min. plot a distance -time graph for this train ?

Answer 1

Answer:

A train covers 10 km in the first 10 min, 20km in the next 10 min ,and 30 km in the next 10 min. plot a distance -time graph for this train ?

Answer 2

Answer:

Now,

C-r=37⇒2πr-r=37⇒r(2×

22

7

-1)=37⇒r=

37×7

37

=7 cm

Now, C=2πr=2×

22

7

×7=44 cm

Hence, the circumference of the circle is 44 cm.

Explanation:

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