Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Test Paper -5 Based on Chapter 11-14, Exercise 1: TEST PAPER - 5 Based on Chapters 11-14

Two lines are said to be perpendicular to each other, if one of the angles formed by them is $90°$.

In the given figure, $∆\mathrm{ABC}$ is an isosceles triangle in which $\mathrm{AB}=\mathrm{AC}$. The number of line of symmetry in this triangle is _____.

A rhombus is symmetrical about _____.

If side of a square is $2.5 \mathrm{cm}$, its area is _____ ${\mathrm{cm}}^2$

If breadth and perimeter of a rectangle are $12.5 \mathrm{cm}$ and $101 \mathrm{cm}$ respectively, its length is of _____ $\mathrm{cm}$.

The perimeter of the region as shown in the figure is _____ cm.

If a piece of string of length $32.4 \mathrm{cm}$ is reformed as a square, side of the square is _____ $\mathrm{cm}$.

An isosceles trapezium has _____ line of symmetry.