We need to use the Law of Cosines:
cos (C) = (a^2 + b^2 -c^2) / 2 ab
cos (C) = (22^2 + 20^2 -18^2) / (2 * 22 * 20)
cos (C) = (484 + 400 - 324) / (880)
cos (C) = 560 / 880
cos (C) = 0.6363636364
arc cosine (C) = 50.479 Degrees
Source
1728.com/trigtut2.htm
(Scroll down to All 3 sides of a triangle)
4-z+10=1
+4
-z+14=1
-14-14
-z=-13
Z=13
Answer:
What is the longest side?
square root of 1700
What is the square of the longest side?
1700
What is the sum of the squares of the two shorter sides?
1700
Does the window frame form right triangles?
Yes, the sum of the square of the two shorter sides equals the square of the longest side.
If you eat food how much you eat I like food
I believe it is 6 and 36. Not to sure though. So sorry if I'm wrong.