R. D. Sharma Solutions for Chapter: Properties of Triangles, Exercise 2: EXERCISE

Two angles of a triangle are of measures $105°$ and $30°$. Find the measure of the third angle(in degrees).

One of the angles of a triangle is $130°$, and the other two angles are equal. What is the measure of each of these equal angles$?$

The three angles of a triangle are equal to one another. What is the measure of each of the angles? [Write the value only]

The angles of a triangle are$( x-40)°$, $( x-20)°$ and ${\left(\frac{x}{2}-10\right)}^{°}$. Find the value of $x$. (Write the answer without degree symbol)

The angles of a triangle are in the ratio $3:4:5$. Find the smallest angle.

Find $\mathrm{x},\mathrm{y},\mathrm{z}\mathrm{}$ from the figure given below

Find $\mathrm{x},\mathrm{y},\mathrm{z}\mathrm{}$ from the figure given below.
    

Find $\mathrm{x},\mathrm{y},\mathrm{z}\mathrm{}$ from the figure given below. $D \text{and} E$ are the midpoints of the sides $AB \text{and} AC$ respectively.