Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Understanding Shapes, Exercise 2: ASSIGNMENT 6.2

In the adjoining figure, $\angle 1=70°$ and $\angle 3=55°$. Are $AB$ and $CD$ parallel?

Name the exterior, interior, corresponding, alternate-interior and alternate-exterior angles formed in the adjoining figure.

In the adjoining figure, $AB\parallel CD$ and $CD\parallel EF$. Answer the following question:

Is $\angle 1=\angle 2$? Why?

In the adjoining figure, $AB\parallel CD$ and $CD\parallel EF$. Answer the following question:

Is $\angle 2=\angle 3$?

In the adjoining figure, $AB\parallel CD$ and $CD\parallel EF$. Answer the following question:

Is $AB\parallel EF$? Why?

In the figure, $AB\parallel CD$ and a transversal $PQ$ cuts them. If $\angle 1=65°$, find all other angles.

Find the values of $x, y, z$ in the following figure, if $PQ\parallel BC$.

Find the values of $x, y, z$ in the following figures, if $PQ\parallel BC$: