If the radius of the circle is 2 cm and AOB=90.Then what is the area of the blue region?
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
First find out the height of the triangle AOB on AB,then add it to CO=radius,u get the height and of the triangle ABC and base is AB,calculate the area and substract it from the area of the circle