Answer:
Option A. 
Step-by-step explanation:
we know that
The resulting two-dimensional cross-section is a rectangle
The area of rectangle is equal to

Answer:
(1 +5t )(1 + 5t)
Step-by-step explanation:
1 +10t +25t^2
1 + 5t + 5t + 25t^2
(1 +5t) + 5t(1 +5t)
(1 +5t )(1 + 5t)
5829..., 6829 ... 8729..... , 300,629.... 215629... 515,649 ... 615,649
The fraction is equivalent to 1/2 since you can simplify 4/8 as (4/4)/(8/4) = 1/2.