The cap

A jester's hat is in the shape of a cone. Calculate how much paper is needed to make a hat 53 cm tall for a head circumference of 45 cm.

Your answer:

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You need to know the following knowledge to solve this word math problem:

algebra

rearrange variables

arithmetic

square root

solid geometry

cone
surface area

planimetry

Pythagorean theorem
right triangle
circle
area of a shape
perimeter
triangle

Units of physical quantities

area
length

Grade of the word problem

practice for 13 year olds
practice for 14 year olds

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