A central angle is best described as which of the following? A.
It has a measure greater than 180 degrees.

B.
It is an angle that has its vertex on the circle.

C.
It is an angle that has its vertex at the center of a circle.

D.
It is part of the circumference of a circle.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

Can someone me with the property questions for 12 13 and 14 plz