Given a c b c and a d Prove b d FILL IN YOUR NAME AND THE OT

Given: a c, b c, and a d Prove: b d FILL IN YOUR NAME AND THE OTHER REQUIRED INFORMATION ON EACH PAGE OF THE EXAM AND MAIL THE EXAM TO THE SCHOOL.

Solution

Statement: Essentially, when 3 out of four angles in the a closed figure are 90 degree then the fourth angle is also 90 degree.

Reasons: a || b because both a and b are perpendicular to c. And because d is perpendocular to a , it is parallel to c. Hence, the angle made by c with b is same as the angle made by d and b