In a triangle, sides are proportional to 7:9:14. If the shortest side is 14 cm, find the perimeter.
Show answer & explanation
Correct answer: B
Explanation
Given:
Ratio of sides = 7 : 9 : 14
Shortest side = 14 cm
According to the formula:
Actual side = Ratio × k
7k = 14 ⇒ k = 2
Sides = 7×2 = 14, 9×2 = 18, 14×2 = 28
Perimeter = 14 + 18 + 28 = 60