When two lines cross like this, sum of measures of opposite angles is 180.
this means that:
measure angle AEC + measure angle BED = 180
4x-40 + x+50 = 180
5x +10 = 180
5x = 170
x = 34
therefore:
measure angle AEC = 4x-40 = 4(34)-40 = 96
measure angle BED = x+50 = 34+50 = 84
Answer:
B
Step-by-step explanation:
1.6/0.2=8
10⁵-10²=10³
Answer:
-415 feet
Step-by-step explanation:
-300-115 = -415