Answer: 39 degrees
Step-by-step explanation: The box tells us that is a 90 degree angle. Subtract 90-51=39. They add to 90 degrees.
Scale rate = 45÷20 = 2.25
patio width = 18÷2.25 = 8
perimeter of patio = 18*8 = 144 ft^2
perimeter of backyard = 45*20 = 900 ft^2
14 feet apart because you add them then - then #
Answer:
646.4
Step-by-step explanation:
The "bases" are the two sides of the trapezoid that are parallel.