Two similar triangles have a pair of corresponding sides of length 12 meters and 8 meters. The larger triangle has a perimeter of 48 meter. Find the perimeter of the smaller triangle Two similar triangles have a pair of corresponding sides of length 12 meters and 8 meters. The larger triangle has an area of 180 square meters. Find the area of the smaller triangle.

Respuesta :

Given data:

The side of the first triangle is x= 12 meter.

The side of the second triangle is y=8 meter.

The perimeter of the first triangle is P= 48 meter.

The expression for the ratio of the similar triangle,

[tex]\begin{gathered} \frac{x}{y}=\frac{P}{p} \\ \frac{12\text{ m}}{8\text{ m}}=\frac{48\text{ m}}{p} \\ p=48\text{ m(}\frac{8}{12}) \\ =32\text{ m} \end{gathered}[/tex]

The expression for the area is,

[tex]\begin{gathered} \frac{x^2}{y^2}=\frac{A}{a} \\ \frac{(12m)^2}{(8m)^2}=\frac{180m^2}{a} \\ a=\frac{1}{2.25}\times180m^2 \\ =80m^2 \end{gathered}[/tex]

Thus, the perimeter of the smaller triangle is 32 m, and the area of the smaller triangle is 80 square-meter.