Tsl's answer to Tsl's Primary 5 Maths Area & Volume Singapore question.

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Tsl
Tsl's answer
14 answers (A Helpful Person)
I use same method to solve this problem, but cannot. Kindly help. Thank you
J
J
4 years ago
See the 4cm line you drew? You get a big rectangle.

Subtract the 3 unshaded triangled from the area of the large rectangle find the shaded triangle's area.

Final answer is 40.5cm²