We calculate the sum of all interior angles using this formula 180(n-2) , n=number of sides
180(40-2)= 6840
6840 ÷ 40 = 171
1 5/24 I hoped this helped if this is not what you meant please tell me
Answer:
a) when the slopes are equal
Step-by-step explanation:
The slopes of lines can be used to define the nature of lines.
Two parallel lines have equal slopes and the product of slopes of perpendicular lines is -1.
Hence, we can conclude that two distinct non-vertical lines parallel when
a) when the slopes are equal ..
So, option a is correct ..
I believe the awnser is d
Answer:
Christie spent 17.64$.
Step-by-step explanation:
0.2 x 15.50 = 3.1
15.50 + 3.1 = 12.4
0.2 x 5.50 = 1.1
5.50 - 1.1 = 4.4
12.4 + 4.4 = 16.8
0.05 x 16.8 = 0.84
0.84 + 16.8 = 17.64