Tran is in charge of schools awards dinner. She said up the multi-purpose room with a stage in front and round tables for parents, student, and family members to sit around for dinner. Below is the floor plan that she drew for the event Use T to stand for the number of tables and S to stand for the totals of seats. In the box below, write an equation to show the relationship between the total number of seats and the number of tables

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.°