Answer:
I think it would be
Step-by-step explanation:
using the saying, "Soh Cah Toa" which means Sine is opposite over hypotenuse Cosine is adjacent over hypotenuse and Tangeant is opposite over adjacent and i am assuming that the angles E and F are 45 which means it is 
Step-by-step explanation:
In trapezoid ABCD, it is given that:
AE = BE & DF = CF
Hence, points E and F are the mid points of the sides AB and CD respectively.
We know that:
In a trapezoid length of the line segment joining the mid points of non parallel sides is equal to one half of the sum of lengths of the parallel sides.

Answer:
y+7-2=21
y+5=21
y+21-5
y=16
Step-by-step explanation:
Answer:
3/16
Step-by-step explanation:
1. you convert 1/4 into 16ths and you get 4/16
2. 4/16 - 1/16= 3/16