Theorem 7.8 Class 9 The sum of any two sides of a triangle is greater than the third side. / Theorems Theorem 7.8 Class 9 The sum of any two sides of a triangle is greater than the third side.Share this:Click to share on WhatsApp (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Telegram (Opens in new window)