Answer:
i guess u know how to calculate a rectangle
Step-by-step explanation:
https://sciencing.com/area-triangular-prism-8165114.html
The answer is going to be $6.50. hope that helped
Answer:
see explanation
Step-by-step explanation:
Given
2cosΘ -
= 0 ( add
to both sides )
2cosΘ =
( divide both sides by 2 )
cosΘ = 
Since cosΘ > 0 then Θ is in first and fourth quadrants, hence
Θ =
(
) = 
OR
Θ = 2π -
= 
solutions are Θ =
, 