10th class maths question paper (Trigonometry)


                                          TRIGONOMETRY

                                                                Concepts : Angles and sides

1.     What is the ratio of the sides of a 300, 600, 900 triangle ? If the length of the side opposite to  300 angle is 10cm,  how much are the other sides ?2.     What is the ratio of the sides of a 450, 450, 900  triangle ? If the length of the side opposite to. 450 angle is  6cm,  find the lengths of the other side.
3.     If the height of an equilateral triangle is 12cm , how much is its side ?
4.     The diagonal of a square is 10cm. What is the length of a side ? Find the area of the square.
5.     The angle between the ground and the stay wire from the top of an electric post is 300 . If the distance between the foot of the post and the bottom of the wire is 6 meters, draw a rough figure. Find the height of the post and the length of the stay wire.

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