Posted by **Kaley ** on Monday, May 17, 2010 at 10:03pm.

One side of a triangle is 15 inches, and the area of the triangle is 90 square inches. What is the area of a similar triangle in which the corresponding side is 9 inches?

- Geometry -
**Reiny**, Monday, May 17, 2010 at 10:20pm
Why not use the concept I showed you in

http://www.jiskha.com/display.cgi?id=1274147511

for a similar problem.

let me know what you got for this one.

- Geometry -
**kaley**, Monday, May 17, 2010 at 10:46pm
i don't understand this

- Geometry -
**Reiny**, Monday, May 17, 2010 at 11:07pm
area2/90 = 15^2/9^2

area2/90 = 225/81

area2 = 90(225)/81 = 250

## Answer This Question

## Related Questions

- geometry - if the lengths of the sides of one triangle are 2 inches 5 inches and...
- Geometry - The lengths of the sides of a triangle are 3,5, and 7 inches. How ...
- pre-algebra - When designing a pattern, Erica rotated a triangle 90 degrees ...
- algebra - the second side of a triangle is 6 inches longer than the first side. ...
- Geometry. Grade 11 - The area of the smllaer of two similar triangles is 1/9 ...
- Geometry - 1.What is the perimeter of a rectangle with width 10 inches in length...
- Algebra - A triangle has the side lengths of 5 inches 12 inches and 15 inches ...
- Math - emily is constructing a triangle one side is 3 inches long and another is...
- geometry - Right triangle ABC is similar to triangle XYZ, because angle B is ...
- geometry - Right triangle ABC is similar to triangle XYZ, because angle B is ...

More Related Questions