Angle 1 and 2 are same side interior angles formed by two parallel lines and a transversal. if measure of angle 1 is 115, what is measure of angle 2

Find the radius of a circle that has a circumference of 16. the formula for the circumference of a circle is c = 2tr, where r is the radius and c is the circumference. the equation solved for r is r = c over 2π. r=4 r= 8 r=12 r= 16