Perimeter = 2 * 85 + 2 * 125 = 420
85 * 125 = 10,625 area
70 by 140 = 420 perimeter
70 * 140 = 9,800 area
Assuming the function is x^2
A. The extra amount added to the selling price to arrive at the cost price
Answer:
90 degrees
Step-by-step explanation:
Angle DMC is vertical angles with angle AMB. Vertical angles always have the same degree measure.
Since angle AMB = 90 degrees, we know that because DMC = AMB, then angle DMC is also 90 degrees.
Hope this helps!
