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formula of calculating area of a frustum

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asked Apr 13, 2022 in Mathematics Form 2 by finivine

surface area of solids

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answered Aug 16, 2022 by ValBon

(πrl+πr²)of large cone - (πrl+πr²)of small cone

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answered Aug 16, 2022 by ValBon

(πrl+πr²)of large cone - (πrl+πr²)of small cone

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A small cone of height 8cm is cut off from a bigger cone to leave frustum of height 16cm.If the volume of the smaller cone is 160cm cubed. Find the volume of the frustum.

asked Aug 20, 2023 in Mathematics Form 2 by 0714024XXX

surface area of solids

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A frustum of a cone is such that one of its ends is hemispherical with a radius of 21cm and the other top end is circular with a radius of 10.5cm .The perpendicular distance between the centres of the circular parts is 20cm. Find;

asked Aug 16, 2021 in Mathematics Form 2 by anony mous

surface area of solids

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atoy consists a conical top and a cylindrical base.the diameter of the base is 5cm and height of the cylinder part is 4cm.if the Total height is 9cm, calculate (a) it's total surface area. (b) it's total Volume.

asked Mar 13, 2022 in Mathematics Form 2 by zaamu

surface area of solids

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calculate the volume of a cone whose base radius is 5cm and curved surface area is 109.9

asked Mar 13, 2022 in Mathematics Form 2 by zaamu

surface area of solids

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1 answer

The surface area of two similar bottles are 12cm2 and 108cm2 respectively. If larger one has a volume of 810cm3.Find the volume of the smaller one.

asked Aug 16, 2021 in Mathematics Form 2 by anony mous

surface area of solids
volume of solids

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formula of calculating area of a frustum

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