math advanced functions
posted by ashley .
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 a circle in part a) if the central angle is 200o.

math advanced functions 
bobpursley
angle=5/2.5=2 radians= 2*180/PI degrees
Respond to this Question
Similar Questions

math
Whats the difference between an arc [of a circle]'s length and measure? 
trigonometry
please check my answers. 1.Find the area of the sector of a circle. r=11.8cm, thetapi/7 radians I got 31.2cmsquared 2.Find the radius of a circle in which a central angle of pi/6radian determines a sector of area 76square meters. … 
geometry
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? 
maths
an arc of a circle subtends a central angle of 5pi/6 radians.if the radius of the circle measures 10.6cm, determine the approx measure of the arc leanth 
PreCalculus
Trigonometric Functions, Radian Measure ∏ < will be using this for pi Using exact values, convert to radians ( hint use fraction of ∏) 90° = 90°*∏/180° = 1∏/2 ^^would it be right to also call it 2∏ … 
Math help me quicckly
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 two decimal places) is (Points : 5) 0.50 28.65 114.59 0.01 
trig
a central angle intercepts an arc on a circle equal in length to the diameter of the circle. find the measure, in radians, of the central angle. 
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 
Physics
We can measure angles in degrees or radians. When studying angular motion, we will tend to use radians. If you are looking at a portion of a circle, the angle in radians can be calculated by dividing the arc length by the radius of … 
precalculus
I don't understand what steps I have to do in order to solve this problem. An angle's rays cut off an arc length of 227 centimeters in a circle with a 40 centimeter radius. A. What portion of the circle's circumference is cut off by …