Friday

April 18, 2014

April 18, 2014

Posted by **Anonymous** on Friday, May 4, 2012 at 8:33pm.

- geometry -
**bobpursley**, Friday, May 4, 2012 at 10:02pmarc length= angle*radius

= radius*2 arcsin(chord/2radius)

but if area=100PI, then radius must be 10

arclength=20 arcsin (6/20)=20*.305=6.1 units. http://mathworld.wolfram.com/CircularSegment.html

**Related Questions**

math - A circle has an area of 25 pi cm^2.If a circle is drawn within that ...

math - The length of the rectangle is 20 m and the width of the rectangle is 10 ...

8th grade math - circle A has a raduis that is twice the length og the raduis of...

math - the radius of a circle when the numeric values of the circumference and ...

Geometry-area - When a teacher ask you to find the area of a circle in terms of...

Geometry - The area of a circle that has a circumference of 12 pi cm is ______ ...

geometry - cutting a circle into equal sections of a small central angle to find...

geometry - what is the area of a circle with a circumference of 22 pi in.? ...

math - A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is ...

geometry - Find the area of the segment of the circle. Leave your answer in ...