Wednesday

April 23, 2014

April 23, 2014

Posted by **Keisha** on Monday, September 12, 2011 at 7:14pm.

Side A= 21

Side B= 3x-2

Side A'= 15

Side B'= 2x+1

- geometry -
**Reiny**, Monday, September 12, 2011 at 7:17pmJust set up the proportion

(3x-2)/21 = (2+1)/15

cross-multiply and solve for x (I got x=17)

**Related Questions**

Elementary Math - What if we made a pattern by joining pentagons? If the length ...

Math-geometry - A regular polygon with all sides that are congruent and all ...

Math-geometry - A regular polygon with all sides that are congruent and all ...

Math-geometry - A regular polygon with all sides that are congruent and all ...

geometry - the pentagons are similar. the area of the smaller pentagon is 30m ...

Geometry - Find the ratio of the perimeters for each pair of similar figures. 1...

math - what question can i make with a picture that has 2 triangles,3 ...

math - make a picture picture using 4 quadrilaterals, 5 pentagons, 6 hexagons, ...

platonic solids - what is formula for deciding size of pentagons to make a 9" ...

goemetry - The pentagons below are similar. The area of the smaller pentagon is ...