(b) If the perimeter of a rectangle is 36 cm, its length is 12 cm then find its area.
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Answer:
Area of the rectangle = 72 cm².
Step-by-step explanation:
perimeter = 36cm
length = 12 + 12 = 24 + 6 + 6 = 12 + 24 = 36 = 12 × 6 = 72
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