1. coordinate plane
the intersection of the x-axis and y-axis
2. x-axis
the horizontal axis on the coordinate plane
3. quadrants
the four sections of the coordinate plane
4. y-axis
the vertical axis on the coordinate plane
5. origin
a two-dimensional system in which a location is described by its distance from two intersecting, perpendicular axes

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.°