Use the converse of the pythagorean theorem to determine which of the following are side lengths of a right triangle. a. 3.9, 5.2, and 6.5 units b. 3.8, 5.1, and 6.4 units c. 3.6, 5.2, and 6.3 units d. 3.4, 5.6, and 6.6 units

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.°