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Secondary 1 | Maths
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Heyy!! Thanks for all the help you guys gave! This will prob be the last i guess? So please help mee!! Need it by today before 11pm!
Date Posted: 7 years ago
Views: 475
(a) (i) height of cylinder = 2/5 ( 8) = 3.2cm
(ii) volume of cuboid = 8 x 19 x 37 = 5624cm^3
volume of 1 cylinder = pi x 4 x 4 x 3.2 = 51.2pi cm^3
volume of 8 cylinders = 8 x 51.2pi = 409.6pi cm^3
volume of cake = 409.6pi + 5624 = 6910.796...
= 6910 cm^3 (3sf)
hope this helps!
(ii) volume of cuboid = 8 x 19 x 37 = 5624cm^3
volume of 1 cylinder = pi x 4 x 4 x 3.2 = 51.2pi cm^3
volume of 8 cylinders = 8 x 51.2pi = 409.6pi cm^3
volume of cake = 409.6pi + 5624 = 6910.796...
= 6910 cm^3 (3sf)
hope this helps!
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Sorry had to rotate it so picture would not be cropped. Do let me know if u have any queries :)
Date Posted:
7 years ago
Thank you so muchh!
Np!
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