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secondary 4 | E Maths
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secondary 4 chevron_right E Maths

Need help with part a

Date Posted: 5 years ago
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Christmas MT
Christmas Mt's answer
2298 answers (A Helpful Person)
Very tedious steps, but otherwise straightforward to solve.
Split the shaded regions into 2 rectangles, and from there, find the area of each region and equate to 240 square centimetres.
Simplification was done at the end by removing a (-3) to arrive at desired equation (an odd step).