If the sides of a triangle are 9cm,13 cm ,17cm.find the altitude to its longest side Share with your friends Share 1 Pooja Khanna answered this Here is the link for the similar answer to your query. https://www.meritnation.com/ask-answer/question/please-answer-the-sides-of-a-triangle-are-120m-170m-and-250m/herons-formula/4479285 0 View Full Answer