Wednesday

July 23, 2014

July 23, 2014

Posted by **erika** on Wednesday, February 23, 2011 at 9:49am.

- math -
**Reiny**, Wednesday, February 23, 2011 at 10:45amthe perimeter of two similar triangles is proportional to the ratio of their sides

ratio of sides = 13:39 = 1:3

the perimeter of the smaller is 30

so the perimeter of the larger is 90.

**Related Questions**

Math - A triangle whose sides are 5, 12, and 13 inches is similar to a triangle ...

Math - The two shortest sides of a right triangle are 10 inches and 24 inches ...

Math - The perimeter of an equlateral triangle is 45 inches. A rectangle whose ...

math - An equilateral triangle has a perimeter of 33 inches. What would the ...

Geometry - The lengths of the sides of a triangle are 3,5, and 7 inches. How ...

math - The perimeter of the triangle is 40 inches. If you wanted to construct a ...

geometry - what is the perimeter of a triangle whose sides measure 7 3/4 inches,...

Math - The lengths of the sides of a triangle are 6,7, and 9. What is the ...

Math - If all of the following triangles have the same perimeter, which has the ...

geometry - The sides of a triangle are 8,15 and 18 the shortest side of a ...