# Дүрс дэхь тэгш өнцгүүд (албан бус тодорхойлолт)

Identify right angles in shapes.

# Агуулга

Many shapes have corners. We call a corner a right angle if we can fit a little square perfectly inside it.

### Consider the trapezoid

Let's draw a square in each corner.
In which corners did the little square fit perfectly?
The trapezoid has two right angles.

# Practice

First, let's study some more examples.
Now, try it yourself.

Хаягууд