_1.Straighthedge
_2.line segment
_3.parallel line
_4.angle
_5.angle bisector​

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.