GEO Practice 13 Unit 2
Square ABCD is rotated by 90clockwise about the origin to createsquare A'B'C'D'. Square A'B'C'D' is then rotated by 900 clockwise againto create square A"B"C"D". What is the measure of angle DOD"? 
The measure of DOD" is
degrees
Square ABCD is rotated by 90clockwise about the origin to createsquare A'B'C'D'. Square A'B'C'D' is then rotated by 900 clockwise againto create square A"B"C"D". What is the measure of angle COC"? 
The measure of COC" is
degrees
Square ABCD is rotated by 90clockwise about the origin to createsquare A'B'C'D'. Square A'B'C'D' is then rotated by 900 clockwise againto create square A"B"C"D". What is the measure of angle BOB"? 
The measure of BOB" is
degrees
a
a
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