SSLC (English Medium) कक्षा ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

Find the value of the following:

tan 54° 26′

Find the value of the following:

cos 33° 53′

Find the value of θ if sin θ = 0.9975

Find the value of θ if cos θ = 0.6763

Find the value of θ if tan θ = 0.0720

Find the value of θ if cos θ = 0.0410

Find the value of θ if tan θ = 7.5958

Find the value of the following:

sin 65° 39′ + cos 24° 57’ + tan 10° 10′

Find the value of the following: 

tan 70° 58′ + cos 15° 26′ – sin 84° 59′

Find the value of the following:

tan 70° 17′

Find the area of a right triangle whose hypotenuse is 10 cm and one of the acute angle is 24°24′

Find the angle made by a ladder of length 5m with the ground, if one of its end is 4m away from the wall and the other end is on the wall

In the given figure, HT shows the height of a tree standing vertically. From a point P, the angle of elevation of the top of the tree (that is ∠P) measures 42° and the distance to the tree is 60 metres. Find the height of the tree

Find the T.S.A and L.S.A of the cube whose side is 8 m

Find the T.S.A and L.S.A of the cube whose side is 21 cm

Find the T.S.A and L.S.A of the cube whose side is 7.5 cm

If the total surface area of a cube is 2400 cm² then, find its lateral surface area

A cubical container of side 6.5 m is to be painted on the entire outer surface. Find the area to be painted and the total cost of painting it at the rate of ₹ 24 per m² 

The lateral surface area of a cube of side 12 cm is

If the lateral surface area of a cube is 600 cm², then the total surface area is