geometry
posted by mimi .
Circle O has a radius of 8 m and the measure of central angle AOB is 45 degrees.
Which of the following could be used to calculate the length of arc AB?

The arc AB is 1/8 of the circumference. That would be pi*R/4
Respond to this Question
Similar Questions

math
Whats the difference between an arc [of a circle]'s length and measure? 
Geometry
how to you solve: the radius of circle Z is 13.5 units long. Find the length of each arc for the given angle measure. if the angle measure is 120 degrees? 
math advanced functions
a) Determine the measure of the central angle that is formed by an arc length of 5 cm in a circle with a radius of 2.5cm. Express the measure in both radians and degrees, correct to one decimal place. b) Determine the arc length of … 
Precal
An arc of length 30 meters is formed by a central angle A on a circle of radius 15. The measure of A in degrees (to the nearest minute) is 
Geometry
If a central angle of 90 degrees defines an arc on circle R that has the same length as the arc on circle W defined by a 60degree central angle, what is the ratio of the area of circle R to the area of circle W? 
math
In a circle with a radius of 5cm and is centered at point O, angle AOB intercepts arc AB. Arc AB has a length of 10cm. What is the degree measure of angle AOB? 
apex geometry
Hannah constructed two similar circles as seen in the image below. If the arc length of the larger circle is , which of the following would be true? 
mATH
MY ANSWER RECORDED BELOW 1. The circle graph represents a family’s monthly budget. If the total monthly budget is $5,000, how much does the family spend on items other than food and housing? 
MATH
1. The circle graph represents a family’s monthly budget. If the total monthly budget is $5,000, how much does the family spend on items other than food and housing? 
Geometry
A circle has a radius of 3 an arc in this circle has a central angle of 20 degrees what is the length of the arc