Is each biconditional statement true or false? select true or false for each statement a angle is a right angle if and only if the measure of the angle is 90 degrees an angle measures 120 degrees if and only if the angle is an obtuse angle an angle measures 180 degrees if and only if the angle is a straight angle

i think all three statements are true because the definition of a right angle is an angle that is 90º, and 12º means that its an obtuse angle bc its greater than 90º, and a straight angle is 180º

correct answer is option b.

step-by-step explanation:

the true statement about geometric figure is option b that is one line can be drawn through all three points.

if three points are on the same plane, they can be connected by a line.

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;