Escribed Circle

If H is orthocentre of acute angled triangle ABC, then image of H with respect to side AB always lies on (1) Circumcircle of triangleABC (2) Circumcircle of triangleAHB (3) Escribed circle opposite to vertex C (4) Circumcircle of triangleAIB where I is incentve triangleABC

In the following diagram there are three circles packed in another circle, such that each circle is tangent to all other circles in this arrangement. The radius of the circumscribing circle A is 1 cm, and circle B and circle C are congruent. Find the radius of the circle D.

Basic OF circle || General form OF circle || Circumference || Questions based on Circle

Circle K is inscribed in the first quadrant touching the circle radius of the circle K, is-

The figure shows a rectangle ABCD with a semi-circle and a circle inscribed inside it as shown. What is the ratio of the area of the circle to that of the semi-circle ?

The figure shows a rectangle ABCD with a semi-circle and a circle inscribed inside it as shown. What is the ratio of the area of the circle to that of the semi-circle ?

Find the radius of the circle escribed to the triangle ABC (Shown in the figure below) on the side BC if angleNAB=30^(@), angleBAC=30^(@) , AB=AC=5 .

Find the radius of the circle escribed to the triangle ABC (Shown in the figure below) on the side BC if angleNAB=30^(@), angleBAC=30^(@), AB=AC=5 .