SOLUTION: if te area of the circle is 72sq,m,then what percentage of area of circle is coverd by sector
given angle in sector is 135'
Algebra ->
Circles
-> SOLUTION: if te area of the circle is 72sq,m,then what percentage of area of circle is coverd by sector
given angle in sector is 135'
Log On
Question 891639: if te area of the circle is 72sq,m,then what percentage of area of circle is coverd by sector
given angle in sector is 135' Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! if te area of the circle is 72sq,m,then what percentage of area of circle is coverd by sector
given angle in sector is 135'
***
area of circle=πr^2=72
r^2=72/π
area of sector=1/2r^2theta, r=radius, theta in radians
135˚=135π/180 radians
area of sector=1/2*72/π*135π/180=36*135/180
area of sector/area of circle=(36*135/180)/72=.375=37.5%
(