A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm.
a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold.
It is now desired to paint the top of the ice cube tray a pleasant shade of blue.
b) calculate the surface area of one hemisphere on the tray.
c) Calculate the total surface area of the top of the ice cube tray.
Thank you so much for huge help!!!!!
My answer for a) 25.1cm^3
B) 6.28. m^2
C) here I'm not sure, I don't understand question. Is it only flat too then the answer should be144 m2.
Thank you so much, please help me:))
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