Determine the areas of trapezoids, rhombuses, kites, and composite polygons by decomposing them into shapes with known areas
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
Find the area of a trapezoid with parallel sides 4cm and 8cm and height 3cm.
📘 Worked solution
✓(4+8)/2×3 = 18cm².
And one from the hard end
Design a composite polygon made of a trapezoid (sides 5cm and 9cm, height 4cm), a kite (diagonals 6cm and 8cm), and a rectangle (5cm×2cm), calculate each part's area, then find the total.
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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