Question 3 of 25 Which expression gives the length of JK in the triangle shown below?
j
24
L
31
A. 24 +31
O B. 1242 +312
O c. 242 +312
O D. 24 +31

Perimeter = 3x. Area = x^2 * sqrt(3)/4. Explanation of area:. You can divide an equilateral triangle into 2 right triangles, each with a common side we will call y.. Area = area of first right triangle + area of second right triangle = (x/2)*y/2 + (x/2)*y/2 = xy/2. Now: y^2 + (x/2)^2 = x^2 so y…

Leave your answers as radicals in simplest form. examples: 3 name: special right triangle review find the missing side lengths .