2/20 thats one i got for now
That is a 30 60 90 triangle
The "short" side (DE) equals the middle side (FE) times (1 / sq rt(3))
short side = 8 * sqrt(3) * (1 / sq rt(3) = 8
Hypotenuse (DF) is 2 times the short side which equals 16.
Source:
http://www.1728.org/trig2.htm
Answer:
<h2>10 1/4</h2>
Step-by-step explanation:
Convert everything to eighths:
4 4/8 + 2 6/8 + 3 1/8 = (4 + 2 + 3) + (1/8 + 4/8 + 6/8) = 9 + (1/8+4/8+6/8) = 9 5/8+6/8 = 9 11/8 = 10 2/8 = 10 1/4
20/21 (WORK AND EXPLANATION PROVIDED)
