Question

In a a 16-by-12 rectangle, what is the perimeter of the triangle formed by two sides of the rectangle and the diagonal?

Answer 1

help me please

Answer 2

Using variation of 8-6-10 triangle , we know that diagonal is 20
perimeter is sum of all sides; two sides + diagonal
16+12+20=

Answer 3

how you know 6-8-18 triangle

Answer 4

and diagonal is 20?

Answer 5

please explain

Answer 6

Applying Pythagorean theorem
Sqrt[16^2 + 12^2]=20

Answer 7

yes sqrt [ 16^2+ 12^2] is not 20

Answer 8

http://www.wolframalpha.com/input/?i=sqrt%20%5B%2016^2%2B%2012^2%5D&t=crmtb01

Answer 9

ok thank you