Based on the figure, highlight all true equations. Explain why you chose the equations that you chose to be true. a. cos(42)= b. cos(48)= c. sin(42)= d. sin(48)= e. tan(42)= f. tan(48)=

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm