An individual leaves a college​ faculty, where she was earning ​$60,000 a​ year, to begin a new venture. She invests her savings of ​$​45,000 which were earning 6 percent annually. She then spends ​$20,000 renting office​ equipment, hires two students at ​$20,000 a year​ each, rents office space for ​$​9,000, and has other variable expenses of ​$42,000. At the end of the​ year, her revenues are ​$250,000

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.°