What is formed when two complementary angles share one ray? . a. the complementary angles form a line with the shared ray . b. the complementary angles form a right angle with the shared ray . c. the complementary angles form vertical angles with the shared ray . d. the complementary angles form an obtuse angle with the shared ray. the answer is b

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°