NCERT Solutions for Chapter: The Triangle and its Properties, Exercise 1: Exercise

The measures of the sides of a $△PQR$ are integers in cm. If two of its sides are $1 \mathrm{cm}$ each. Find the perimeter of the triangle.

In the given figure, $\angle SPT=60° \mathrm{and} PQ=PR$. Find $\angle PQR$.

In the given figure, find $x$

What do you call the triangle whose two of its angles are $40° \mathrm{and} 70°$?

The length of two sides of an isosceles triangle are $5 \mathrm{cm} \mathrm{and} 12 \mathrm{cm}$.The length of the third side is 

Which of the following cannot be the measure of an isosceles triangle $\mathrm{ABC}$?

A pole $32 \mathrm{m}$ high broke at a point $7 \mathrm{m}$ above the ground, but did not separate. At what distance is the top of the pole from its bottom?

In the adjoining figure, the angles $\angle BAC \text{and} \angle ADC$ are right angles. $BA= 5 \mathrm{cm}$, $AD= 3 \mathrm{cm} \text{and}\mathit{ }BD= 4 \mathrm{cm}$. What is the length of $DC$?