Mark draw two lines that form a right angle what words describe the lines mark Drew

Can someone me i’m confused. will give brainliest and a whole bunch of points

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit