The value of right angle is `.......^@`

The supplement of a right angle is always _________ angle.

The number of right angles in a straight angle is ________ and that in a complete angle is ___________.

RIGHT TRIANGLE A triangle whole one angle is a right angle is called a right-angled triangle or right triangle.

The values of the apparent angles of dip in two planes at right angles to each other are 30^(@) and 45^(@) . Then the true value of the angle of dip at the place is

If the lengths of the sides of a right- angled triangle ABC, right angled at C, are in arithmetic progression, then the value of 5(sinA+sinB) is

Right triangle a triangle whose one angle is a right angle is called a right-angled triangle or a right triangle.

A circle is inscribed in a right angled triangle of perimeter 7pi . Then the ratio of numerical values of circumference of the circle to the area of the right angled triangle is :