The two diagonals of a rhombus are 16 inches and 12 inches long. What is the perimeter of the rhombus? Round to the nearest inch, if necessary.

Question

a. 28 in b. 40 in c. 56 in d. 66 in

Answer 1

divide into four right triangles
6, 4 are legs
so 3,4,5 triangles, hypotenuse is rhombus side = 10

10*4 = 40

Answer 2

divide into four right triangles
6, 8 are legs
so 3,4,5 triangles, hypotenuse is rhombus side = 10

10*4 = 40