Question

28. Two similar triangles have perimeters in the ratio 3:5.

The sides of the smaller triangle measure 3 cm, 5 cm,
and 7 cm, respectively. What is the perimeter, in
centimeters, of the larger triangle?

Answer 1

25cm

Explanation:

first find the perimeter of the dmaller triangle. perimeter=add all sides

3+5+7=15cm

15cm=⅜

? = ⅝ (cross multiply)

15cm×⅝×8/3=25cm

perimeter of the larger triangle is 25cm