Answer:
D
Step-by-step explanation:
There is no data set so there is no data to find the mean of.
AngleA= angle D
5x+2=87
5x=85
X=17
180-87-42=51
Angle C= angle F
3y=51
Y=17
Answer:
the first number in the ordered pair is on the x axis, so find that number on the x axis, then, the second number is on the y axis, so find that number on the y axis, then, imagine a line that runs up and down on the x axis number, and a line that runs side to side on the y axis number, and were those lines would meet is were you need to put a dot on the coordinate plane
Step-by-step explanation:
"A" is the first letter of the name of parallelogram ABCD. "E" is the first letter of similar parallelogram EFGH. The corresponding angles are the corresponding letters.
The appropriate answer is
E
Answer:
75°, 85°, 95°, 105°
Step-by-step explanation:
Since the 4 angles form an AP, then the 4 angles are
a, a + d, a + 2d, a + 3d
where a is the first term and d the common difference
The sum of the angles in a quadrilateral = 360° thus
a + a + d + a + 2d + a + 3d = 360, that is
4a + 6d = 360, substitute d = 10
4a + 60 = 360 ( subtract 60 from both sides )
4a = 300 ( divide both sides by 4 )
a = 75
Thus the 4 angles are
75°, 75° + 10° = 85°, 75° + 20 = 95°, 75° + 30° = 105°
