The diagram shows a semicircle with centre O and radius 2 and a semicircular arc with diameter PR. Angle POR is a right angle.
R
P 20
Q
What is the area of the shaded region?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125

In the diagram of circle o, what is the measure of zabc?