30 men take 20 days to complete a job working for 9 hours a day. how many hours a day should 40 men complete the job

many reason,

step-by-step explanation:

13.46

step-by-step explanation:

16.80 x .20 = 13.46

the anwers is yes.

we know that

1) the inscribed angle measures half of the arc it comprises.

so

m∠dgf= > expression

2) the opposite angles in an inscribed quadrilateral are supplementary angles

so

m∠dgf=

m∠dgf=°

substitute in the expression to find the value of arc ef

therefore

the answer is

the measure of the arc ef is