2014 · Q17
The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4. If its perimeter is 52 cm, then what is the length of the smallest side?
Elementary MathematicsGeometry: Lines, Angles and Triangles
- A9 cm
- B10 cm
- C11 cm
- D12 cm
Explanation
Ratio = 6 : 4 : 3 (multiplying by 12); 13 parts = 52 cm, so the smallest side = 3 × 4 = 12 cm.