Question 1080607

Find the area of the shaded figure, rounded to two decimals. (Assume x = 2 and y = 6.)


http://www.webassign.net/sprecalc6/6-6-034-alt.gif

link to figure
<pre>Height of 1 of the triangles: {{{sqrt(35)}}}, so area = {{{matrix(1,3, (1/2) * b * height, "=", sqrt(35))}}}
Triangles are congruent, so area of the 2 triangles is: {{{highlight_green(matrix(1,8, 2sqrt(35), "=", "11.83215957,", rounded, to, 11.83, sq, units))}}}