Mahabir Singh Solutions for Chapter: Mensuration, Exercise 1: MATHEMATICAL REASONING

The breadth of a rectangle is ${\left(\frac{3}{4}\right)}^{\mathrm{th}}$of its length. If its perimeter is $126 \mathrm{m}$ , then its area will be ______

If the perimeter of an equilateral triangle is $18 \mathrm{cm}$, then the length of its side will be____

Which of the following figures has the smallest perimeter?

If side of a square is doubled, then the new perimeter is _____ times the original perimeter.

The area of a rectangular park is $3100 {\mathrm{m}}^2$ and its breadth is $50 \mathrm{m}$. The value of $4$ times its perimeter is _____.

Find the missing length in the given figure.

If the area of a square is numerically equal to the perimeter of the square , then the side of square is_____

A figure is formed by putting two squares one on the other as shown in figure. If the length of each side of the two squares is $8 \mathrm{cm}$ , then the perimeter of the figure formed is ____.