Arjun should have divided both sides of the equation by 7 instead of multiplying.
What are you even asking us
Bonjour,
answer ≈ 522.92
working
A= 2πrh+2πr^2
=2 x π x 4 x 18+2 x π x 4^2
≈552.92031
The numbers are 15, 17 and 19
Answer= 8/125 or 0.016
16/1000 can be simplified by dividing both the numerator and denominator by 8
16 2
____=___
1000 125
2/125=0.016