The apothem of a regular polygon

a.
bisects the side it is drawn to
b.
is equal to one half of the side length
c.
is parallel to the side it is drawn to
d.
is equal to two thirds of the side length

Select the graph of the solution. click until the correct graph appears. |x| = 3

Find the maximum value of p= 4x + 5y subject to the following constraints :

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.°