ABCD is a cyclic quadrilateral and AD is a diameter. If ∠DAC=55° then value of ∠ABC is

In an isosceles triangles ABC, AB=AC the median drawn on the same arms are perpendicular to each other find AB/BC?

Find the area of the circle formed in an equilateral triangle of side 42 cm. Using (π=22/7)

ABC is an isosceles triangle with AB = AC. The side BA is produced to D such that AB = AD. If ∠ABC = 30°, then ∠BCD is equal to 

What is the area (in cm²) of the circumcircle of a triangle whose sides are 6 cm, 8 cm and 10 cm respectively?

ABC is an isosceles triangle with AB = AC, A circle through B touching AC at the middle point of Q, intersects AB at P. Then AP : AB is : 

If ABCDEF is a regular hexagon, then what is the value (in degrees) of ∠ADB? 

Find the distance travelled by a 40 cm diameter wheel to cover a distance of 176 meters? Using (π=22/7)