Shapes and Angl...

Name the angle formed at each corner of an envelope.

What is the angle formed between the two hands of a clock at the time $$3:00?$$

In Fig, POQ is a line. The value of x is:

$$\displaystyle 179^{\circ}$$ is an example of 

$$\displaystyle 89^{\circ}$$ is an example of :

At $$4:15$$, the angle formed between the two hands of a clock is:

$$\displaystyle \angle AOB$$ is a / an _____________ angle.

$$\angle ABC$$ in the following figure is a / an: