The area of a triangle is 456 sq.cm and its height is 24 cm. The length of its base is

Given that (a²+b²)=60, then find the value of (a+b)²+(a–b)².

If two complementary angles are in the ratio of 2:3. find the ratio of square of smaller angle to square of greater?

If the sum of the interior angles of a regular polygon be 1080 °, the number of sides of the polygon is 

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

In a circle, PQ is diameter, RS is chord of length equal to radius of circle. PR and QS when produced intersect at point T. Find the ∠PTQ?

PQR is a right angled triangle in which PQ = QR . If the hypotenuse of the triangle is 20 cm , then what is the area ( in cm ) of the triangle PQR ?

A line touches a circle of a radius 6 cm. Another line is drawn which is tangent to the circle. If the two lines are parallel then the distance between them is: