the base of an isosceles triangle is 5 and its perimeter is 11. The base of a similar isosceles triangle is 10. What is the perimeter of the larger triangle?

ithink the perimeter is 16.

2 answers

Base is to base as perimeter is to perimeter. Reconsider your thinking.
http://www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Similar-Triangles-Perimeters-and-Areas.topicArticleId-18851,articleId-18815.html