Negative charge −Q−Q is distributed uniformly around a quarter-circle of radius aa that lies in the first quadrant, with the center of curvature at the origin.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces