Neighborhood
Geometry
Level
3
The area of the red, orange, and green squares are
. What's the area of the blue triangle?
The answer is 30.5.
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
1 solution
From the square you can find the sides of the triangle to be sqrt(41), sqrt(97) and sqrt(106)
Then apply Heron's formula to find the area of the triangle. A = \sqrt{s(s-a)(s-b)(s-c)},