In the given figure, AB = 9 cm, BC = 12 cm and AC = 15 cm. BP is perpendicular to AC.
(i) What is the measure of ∠ABC?
(ii) Prove that ∆APB ~ ∆ABC.
(iii) Find the lengths of BP and AP

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.°