How do you find the perimeter of a triangle in which the sides measure #2sqrt7, 6sqrt7, 4sqrt7#?
1 Answer
Oct 29, 2016
Explanation:
The perimeter of the triangle is the sum of all 3 sides.
#rArr2sqrt7+6sqrt7+4sqrt7=12sqrt7≈31.749# We can collect 'like radicals' together in the same way we collect like terms in algebraic expressions.
