Measuring and Drawing Angles using Protractor

The construction of $△ABC$ in which $AB=5 cm, \angle A=45°,$ is possible when $AC+BC=$

The construction of a $△ABC$ in which $BC=6 cm$ and $\angle B=50°,$ is not possible when $\left(AB-AC\right)$ is equal to:

The instrument that is used to measure angle is:

Draw angles of the measure given below:

$40°, 90°, 135°$

Now check the picture given below.

Is there any angle drawn by you which appears to be equal to the angle given above? What is the measure of the angle?

Measure the given angle using protractor.

Measure the given angle using protractor.

Measure the given angle using protractor.

Measure the given angle using protractor.

Draw the following angle with the help of the protractor

$180°$

Draw the following angle with the help of the protractor

$157°$

Draw the following angle with the help of the protractor

$135°$

Draw the following angle with the help of the protractor

$117°$

Draw the following angle with the help of the protractor

$110°$

Measure the given angle using protractor.

Draw the following angle with the help of the protractor

$$$90°$

Draw the following angle with the help of the protractor

$$$75°$

Measure the given angle using protractor.

Measure the given angle using protractor.

Measure the given angle using protractor.

Measure the given angle using protractor.