Answer:
I think 90 degrees hope it helps
A = (B + b)xH : 2
A = (4.5+7.5) x 5 : 2
A = 12 x 5 : 2
A = 60 : 2
A = 30 in²
If you hold it to an angle to a planar surface you will create ellipses....
Answer:

Step-by-step explanation:
Change the mixed number into an improper fraction
1
=
, hence
÷ 39
To divide, leave the first fraction, change division to multiplication and turn 39 upside down, that is
=
× 
cancel the 13 and 39 by dividing both by 13
=
= 
Answer:
Your Simply looking at the other side:)
Step-by-step explanation:
The Answer would be....... (-3 to 10)