Answer:
119°
Step-by-step explanation:
(Vertical angles)
55% of 120 is just 66
add that with 120, 186
so... 186 books
Answer:
X=18
Step-by-step explanation:
Isosceles means two sides are equal. In this case AC and BD are the same. So put both equations equal to each other and solve
Answer: The length is 24.5 feet.
Step-by-step explanation:
The formula for the perimeter of a rectangle is P = 2L + 2W.
Plug in the values you know
87 = 2L + 2(19)
Solve for L
87 = 2L + 38
subtract 38 from both sides
49 = 2L
divide both sides by 2
L = 24.5
