Answer:
Use you calculator.
Step-by-step explanation:
There will be a way on your calculator to do tan^-1. It may be called arctan. They are the same thing.
<h3>
Answer:</h3><h3>
156in²</h3>
Step-by-step explanation:
Area of the border = Length * Breadth
If the outside measures 10in by 11in with 1-in border, the length of the picture with border = 10+(1+1) * 11+(1+1)
Area of the border = 12*13
Area of the border = 156in²
Note that the border length will be added at both edges of the frames for each length and the width of the frame
B. because you are still multipying they just broke it down (7*24)= 168 , and b also = 168
