R S Aggarwal and Veena Aggarwal Solutions for Exercise 3: MULTIPLE-CHOICE QUESTIONS (MCQ)

Each side of an equilateral triangle is $6\sqrt{3} \mathrm{cm}$. The altitude of the triangle is

The height of an equilateral triangle is $3\sqrt{3} \mathrm{cm}$. Its area is

The base and height of a triangle are in the ratio $3:4$ and its area is $216 {\mathrm{cm}}^2$. The height of the triangle is

The lengths of the sides of a triangular field are $20 \mathrm{m}, 21 \mathrm{m}$ and $29 \mathrm{m}$. The cost of cultivating the field at $₹9 \mathrm{per} {\mathrm{m}}^2$ is

The side of a square is equal to the side of an equilateral triangle. The ratio of their areas is

The side of an equilateral triangle is equal to the radius of a circle whose area is $154 {\mathrm{cm}}^2$. The area of the triangle is 

The area of a rhombus is $480 {\mathrm{cm}}^2$ and the length of one its diagonals is $20 \mathrm{cm}$. The length of each side of the rhombus is

One side of a rhombus is $20 \mathrm{cm}$ long and one of its diagonals measures $24 \mathrm{cm}$. The area of the rhombus is