Cost of Window Cleaning

In this assessment, students are asked to find the cost of cleaning a building that is shaped like a right-angled trapezoid prism. To do this they will need to find the total surface area of the building. The given measurements require students to use trigonometric ratios and Pythagoras’s theorem to find the missing dimensions of the building. Students will have to show their work in a form of a report that also explains the accuracy of their calculations and whether they make sense in the context of the problem.

Math Concepts: area surface area Pythagoras’ theorem trigonometry ratios right-angled triangles cost trapezoid
MYP Related Concepts: representation space
MYP Key Concepts: time
MYP Global Context: Orientation in Space and Time
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