Sum of interior angles of a quadrilateral = 360 degrees.
x + 10 + x + 10 + 2x + 50 + 2x + 50 = 360
6x + 120 = 360
6x = 360 - 120 = 240
x = 240/6 = 40
x = 40
A = D = 2(40) + 50 = 80 + 50 = 130 degrees
B = C = 40 + 10 = 50 degrees
Answer:
um 1/2???
Step-by-step explanation:
Answer:
114.31 nautical miles per day
Step-by-step explanation:
11431 nautical miles in 100 days
(11431 nautical miles)/(100 days)
To divide by 100, move the decimal point two places left.
(11431 nautical miles)/(100 days) = 114.31 nautical miles per day