Check the picture below.
keeping in mind that a circle has a total of 360°, if the twin angles of 72° add up to 144°, what remains for the other twin angles is 360° - 144° = 216°, and that 216 is split between both twins for 108 a piece, taking away the 40° next to ∡2, gives us ∡2.
Answer:
Option A is correct.
0.7734.
Step-by-step explanation:
Definition: z-score indicates that how many standard deviations an element is from the mean.
It can be calculated from the following formula.
where;
z is the z-score,
X is the value of the element,
is the mean, and σ is the standard deviation.
To interprets z- score:
Given: z < 0.755
then,
to find the value of z, look up the standardize normal distribution to the left of a z-score.
we get
z = 0.7734
