The incircle of ΔABC touches the sides, AB, BC and AC in the point P, Q and R respectively. If AP=7cm, BC=13cm, find the perimeter of ΔABC.

In the given figure, a circle inscribed in a triangle ABC, touches the sides AB, BC and AC at points D, E and F respectively. If AB= 12 cm, BC= 8 cm and AC = 10 cm, find the lengths of AD, BE and CF.

In Fig. 2, a circle with centre O is inscribed in a quadrilateral ABCD such that, it touches the sides BC, AB, AD and CD at points P, Q, R and S respectively. If AB=29 cm, AD-23 cm, /_B=90° and DS = 5 cm, then the radius of the circle (in cm)

Incircle of DeltaABC touches the sides BC, AC and AB at D, E and F, respectively. Then answer the following question The length of side EF is

Incircle of DeltaABC touches the sides BC, AC and AB at D, E and F, respectively. Then answer the following question angleDEF is equal to

In a DeltaABC,D,E and F are respectively the mid-points of BC, CA and AB. If the lengths of side AB, BC and CA are 7 cm, 8 cm and 9 cm respectively, find the permeter of DeltaDEF.

The incircle of an isoceles triangle ABC, with AB=AC, touches the sides AB,BC and CA at D,E and F respecrively. Prove that E bisects BC.

Incircle of Delta ABC touches AB, BC, CA at R, P, Q, respectively. If (2)/(AR)+(5)/(BP)+(5)/(CQ)=(6)/(r ) and the perimeter of the triangle is the smallest integer, then answer the following questions : Delta ABC is

Incircle of Delta ABC touches AB, BC, CA at R, P, Q, respectively. If (2)/(AR)+(5)/(BP)+(5)/(CQ)=(6)/(r ) and the perimeter of the triangle is the smallest integer, then answer the following questions : The inradius of incircle of Delta ABC is

ABC is a right triangle, right - angled at the vertex A. A circle is drawn to touch the sides AB and AC at points P and Q respectively such that the other end points of the diameters passing through P and Q lie on the side BC. IF AB = 6 units, then the area (in sq. units) of the circular sector which lies inside the triangle is

In the given figure, AB, BC and CA are tangents to the given circle. If AB= 12cm, BC= 8cm and AC= 10cm, find the length of AD, BE= CF