For a right triangle. one angle is 20°. what are the other two angles ?

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor