Mahabir Singh Solutions for Chapter: Mensuration, Exercise 3: ACHIEVERS SECTION (HOTS)

Which of the following has the maximum shaded area?

State ‘T’ for true and ‘F’ for false.

1. Perimeter of an equilateral triangle is four times its sides.
2. Without using the graph paper, we can find the area of a rectangle.
3. Distance covered along the boundary of a closed figure is called its area.

Priya bent a plastic wire to form the given figure. The figure is made up of $4$ squares and $4$ equilateral triangles. Find the length of wire.

Find the values of $P, Q, R$ and $S.$

Figure $\mathrm{P}$ is made up of six identical squares. Two squares were removed from figure $\mathrm{P}$ to form figure $\mathrm{Q}$. The perimeter of figure P is $240 \mathrm{cm}$. What is the perimeter of figure $\mathrm{Q}$?