SOLUTION: The area of a sector of a circle is given by 1/2r^2 theta (theta in radians) so that an area element triangle A=1/2r^2Triangle theta. Use this to calculate the area of a semi-circl
Algebra ->
Surface-area
-> SOLUTION: The area of a sector of a circle is given by 1/2r^2 theta (theta in radians) so that an area element triangle A=1/2r^2Triangle theta. Use this to calculate the area of a semi-circl
Log On
Question 1061199: The area of a sector of a circle is given by 1/2r^2 theta (theta in radians) so that an area element triangle A=1/2r^2Triangle theta. Use this to calculate the area of a semi-circle. Answer by ikleyn(52798) (Show Source):
You can put this solution on YOUR website! .
The area of a sector of a circle is given by 1/2r^2 theta(theta in radians)so that an area element triangle A=1/2r^2 Triangle theta.
Use this to calculate the area of a semi-circle.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The area of a semi-circle is . (*)
Independently of any hints.
Or, if you want to use that hint, use = in your formula to get the area of a semi-circle.
Surely, you will get the same as (*).