SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

The value of tan 1° tan 2° tan 3°…. tan 89° is

The area of a triangle is 5 sq. units. Two of its vertices are (2, 1) and (3, −2). The third vertex is (x, y) where y = x + 3. Find the coordinates of the third vertex.

In the figure, AB is parallel to CD, find x

In the figure, AB is parallel to CD, find x

The angles of a triangle are in the ratio 1 : 2 : 3, find the measure of each angle of the triangle

The points (−5, 2) and (2, −5) lie in the ________

If Q₁, Q₂, Q₃, Q₄ are the quadrants in a Cartesian plane then Q₂ ∩ Q₃ is ___________

Using Heron’s formula, find the area of a triangle whose sides are 10 cm, 24 cm, 26 cm

Using Heron’s formula, find the area of a triangle whose sides are 1.8 m, 8 m, 8.2 m

The sides of the triangular ground are 22 m, 120 m and 122 m. Find the area and cost of levelling the ground at the rate of ₹ 20 per m² 

The perimeter of a triangular plot is 600 m. If the sides are in the ratio 5 : 12 : 13, then find the area of the plot

Find the area of an equilateral triangle whose perimeter is 180 cm

An advertisement board is in the form of an isosceles triangle with perimeter 36 m and each of the equal sides are 13 m. Find the cost of painting it at ₹ 17.50 per square metre.

Find the area of the unshaded region

The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is 

The perimeter of an equilateral triangle is 30 cm. The area is

Express the following rational numbers into decimal and state the kind of decimal expansion

`2/7`

Express the following rational numbers into decimal and state the kind of decimal expansion

`-5 3/11`

Express the following rational numbers into decimal and state the kind of decimal expansion

`22/3`

Express the following rational numbers into decimal and state the kind of decimal expansion

`327/200`