Arithmeticmedium · Past Paper
The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4. If the perimeter is 52cm, find the shortest side.
A12 cm
B24 cm
C18 cm
D10 cm
✓ Correct Answer: A — 12 cm
Multiply by LCD 12: Ratio is 6:4:3. Sum = 13. 1 unit = 52/13 = 4. Shortest side = 3 * 4 = 12.
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