if a car uses 1/3 of a tank of petrol on the first part of the journey then 2/5 of a tank of petrol on the second part on the jo
1 answer:
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Answer:
Step-by-step explanation:
Volume of a cone=1540, Radius=7cm.
The height of a cone=h
When we need to find the height of a cone, we can use the formula of the volume of a cone, which is to find the height of a cone.
Put the pi value=22/7 and the value of radius which is 7 cm into the formula.
Move to another side. 1540 divided by
to calculate what is the value of h, h is the height of a cone. Like this.
Rearrange the h.
I hope you will understand my solution and explanation. If you still cannot get the point, you can ask me anytime! Thank you!
Answer:
Step-by-step explanation:
Weight decreased = 108 - 88 = 20 Kg
Percentage decrease =
= 18.52%