Ratio of the sides of a right angled triangle having angle measures 45^o, 45^o, 90^o is 

Two adjacent sides of a parallelogram are 10 cm and 3 cm long and the angle between these sides is 60^o. its area is 

The area of a parallelogram is 30 square cm. One of its sides is 6 cm and on of its angles is 60^o. What is the length of its other side? 

For an acute angle A, sin (90^o - A) = 

In the figure below, O is the center of the circle. What if the diameter of the circle? 

A ladder of 6m length is kept in slanting position on a straight tree in a plane ground. The ladder makes on angle of 50^o with the plane ground. Calculate the height from the plane ground to the top of the ladder. 

The side of a right angled triangle opposite the right angle is 

A ladder leans against a wall with its foot 2m away from the wall and it makes a 40^o angle with the ground. How high is the top of the ladder from the ground? 

Find the area of a triangle with two of its sides 10cm and 6cm and the angle between these sides 80^o 

Ratio of sides of right triangle with angle measures 30^o, 60^o, and 90^o is