Answer:
6, 8 and 10 cm
Step-by-step explanation:
Sum the [arts of the ratio, 3 + 4 + 5 = 12 parts
Divide the perimeter by 12 to find the value of one part of the ratio.
24 ÷ 12 = 2 cm ← value of 1 part of the ratio, thus
3 parts = 3 × 2 = 6 cm
4 parts = 4 × 2 = 8 cm
5 parts = 5 × 2 = 10 cm
