Saturday

January 31, 2015

January 31, 2015

Posted by **ted** on Saturday, July 21, 2012 at 8:41pm.

pls help. i don"t get it

- math grade 12 -
**MathMate**, Saturday, July 21, 2012 at 9:03pmArc length = rθ ...(1)

where r is radius and θ is central angle in radians.

To convert 225° to radians, multiply by (π/180) to get 225π/180=5π/4

Use formula (1) to calculate arc length, which should be in the same units as the radius.

- math grade 12 -
**monday**, Sunday, November 11, 2012 at 12:12pm2*225*pie/360*3

should be the answer;)

**Answer this Question**

**Related Questions**

math advanced functions - a) Determine the measure of the central angle that is ...

Geometry - If a central angle of 90 degrees defines an arc on circle R that has ...

algebra - of radius 54 meters subtended by the central angle 1/9 radian. s(arc ...

math - Whats the difference between an arc [of a circle]'s length and measure? ...

Math Arc Length - Find the arc length corresponding to an angle of a degrees on ...

Trig - Find the radian measure of the central angle of a circle of radius r that...

Trigonometry - FInd the arc length intercepted by a central angle of 46 degrees ...

trig - Find the length of the circular arc intercepted by a central angle of 20 ...

Math help me quicckly - An arc of length 30 meters is formed by a central angle ...

Precal - An arc of length 30 meters is formed by a central angle A on a circle ...