Construct the circumcircle of a give acute triangle .

Construct a circumcircle of the triangle ABC where AB = 5cm, angleB = 75^@ and BC = 7cm

The incentre of an equilateral triangle is (1,1) and the equation of one side is 3x + 4y + 3 = 0 . Then the equation of the circumcircle of the triangle is _

use bal to draw the circumcircle of a right angled triangle having the adjacent. Sides of the right angle are 4cm and 3 cm in length.

If the radius of the circumcircle of the isosceles triangle ABC is equal to AB(=AC), then the angle A is equal to-

Construct a triangle whose two sides are 9 cm and 7 cm and the angle between them is 60^@ Construct the incircle of the triangle. (Only traces of construction are required).

The internal and external bisectors of the vertical angle of a triangle intersect the circumcircle of the triangle at the points P and Q. Prove that PQ is a diameter of the circle.

Find the centre and radius of the circumcircle of the triangle whose vertices are A(1,7), B(7,-1), C(8,6).

The incentre of an equilateral triangle is ( 1, 1) and the equation of the one side is 3x + 4y + 3 = 0 . Then the equation of the circumcircle of the triangle is

O is the orthocentre of Delta ABC and AD bot BC . If AD is produced it interect the circumcircle of Delta ABC at the point G. Prove that OD= DG .

ABC is an acute-angled triangle .AP is the diameter of the circumcircle of the triangle ABC, EB and CF are perpendiculars on AC and AB respectiely and they intersect each other at the point other at the point Q. Prove that BPCQ is a parallelogram.