Jharne De Solutions for Chapter: Understanding Elementary Shapes, Exercise 3: Exercise

Find the value of $x°$. Write the final answer without the degree symbol.

Identify the number of right-angled triangle in the following figure.

Identify the obtuse-angled triangle in the following figure,

Identify the acute-angled triangle in the following figure,

Write the number of scalene triangles in the given figure. 

Write the number of Isosceles triangle in the given figure. 

In the figure shown below, $ST\left|\right|QR$. Find the magnitude of $\angle 1, \angle 2, \mathrm{and} \angle 3$.

In $∆ABC$, $\angle A \mathrm{is} 70°$ and $AD$ is perpendicular to $BC$. If $\angle C=50°$, find $\angle DAC \mathrm{and} \angle \mathrm{ABC}$.