Trick 480 - Shortcut to Find Radius and Area of Inscribed Circle

Another important topic of geometry.....when a figure is inscribed within another figure.....and we need to find the area of the inscribed figure. Watch this video to learn shortcuts to find the radius and area of a circle inscribed in a square, semicircle, an equilateral triangle.....for more shortcuts for competitive exams, keep visiting:

[arsheaven...]

Sir, is the shortcut formula of last question only applicable to questions like ' circle inscribed in a triangle'?

[jayeshrangwani]

Can this trick can we use in CBSE board exam? It's allow in CBSE board?

[atulsain]

Radius of in center is wrong it's (root 3)a/2

[stephen]

Nice video especially.in English....thank you sir...kindly take lecture in SSC chsl reasoning class please....