Find the equation of the circle that has diameter endpoints of (4, 8) and (10, 16). a. (x - 7)2 + (- 12)2 = 25 b. (x - 6)2 + ( - )2 = 25 c. (x - 7)2 + (y - 12)2 = 100 d. (x-6)2 + (y - 3)2 = 100

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.°