First work out the surface area of the solid
Area of cylindrical part:-
length of this part = 108 - 2*18 = 72 so its area
= 2 * pi * r * 72
= 2 *pi* 18 * 72 = 8143.01 cm^2
Area of the 2 hemispheres = 4 pi * 18^2 = 4071.50 cm^2
Total surface area of the solid = 12,214.51 cm^2
Cost of polishing = 12,214.51 * 7 = 85,501.58 paise
Answer:
Denote 3 sides of the right triangle as side1, side2 and hypotenuse.
Then applying Pythagorean theorem, we have
hypotenuse^2 = side1^2 + side2^2
Then,
hypotenuse = sqrt(side1^2 + side2^2) = sqrt(6.4^2 + 3.5^2) = 7.3 cm
Hope this helps!
:)
Hi~!
Answer:
843
Step-by-step explanation:
We know that 58 is a even number, and so is 48,894. So we can check this by multiplying 843, which is th number I got when I divided it, and multiply that by 58, then we get 48,894.
I hope this helps!~ :)
