AC Lim's answer to Amir's Primary 5 Maths Whole Numbers Singapore question.

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AC Lim
Ac Lim's answer
12558 answers (A Helpful Person)
a. Area of shaded part = 1/2 × 18 × 11
=99 cm²
b. Area of unshaded part = (11×18)-99
=99 cm ²
c. Fraction = 99/198
=1/2
Hope this helps