PLEASE HELP circle a has area 500in squared. the diameter of circle b is three times the diameter of circle a. esitmate the area of circle b.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Which expression converts 45 degree to radians

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).