ΔPQR is right angled at Q. If m∠R=300, then find the value of (cosP - 1/3).

 

The number of diagonals in a decagon is:

What is the length of diagonal, if area of a rectangle is 168 sq.cm and breadth is 7 cm?

A well of diameter 3 m and depth 14 m is dug. The earth, taken out of it, has been evenly spread all around it in the shape of a circular ring of width 4 m to form an embankment. Find the height of embankment?

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

ΔXYZ is right angled at Y. If sinX = 12/13, then what is the value of cosecZ ?

Calculate the area (in cm2) of a circle whose diameter is 7 cm.

The perimeter and the breadth of a rectangle are 46 cm and 8 cm respectively. Calculate the length of its diagonal (in cm).

Which of the following combination of sides results in the formation of obtuse angled triangle?