# Find the ratio of the areas of two triangles if the sides of one are 2 cm, 3 cm, 4 cm

**Find the ratio of the areas of two triangles if the sides of one are 2 cm, 3 cm, 4 cm, and the sides of the other are 10 cm, 15 cm, 20 cm.**

The length of the first side of the first triangle 2 cm refers to the length of the first side of the second triangle 10 cm as 1: 5.

The length of the second side of the first triangle 3 cm refers to the length of the second side of the second triangle 15 cm as 1: 5.

The length of the third side of the first triangle 4 cm refers to the length of the third side of the second triangle 20 cm as 1: 5.

The perimeter of the first triangle is 2 + 3 + 4 = 9, refers to the perimeter of the second triangle 10 + 15 + 20 = 45, also like 1: 5.

Answer: The area of the first triangle refers to the area of the second triangle as 1: 5.