A) MPQ=180-APM=>MPQ=60
MQP=180-MQD=>MQP=60
=>MPQ IS+MQD=60=>MPQ ECHILATERAL
B)
ABP TRIUNGHI DREPTUNGHIC
[tex] {bp}^{2} = {ab}^{2} + {ap}^{2} [/tex]
[tex] 2\sqrt{3} \times 2 \sqrt{3} + {2}^{2} = {bp}^{2} [/tex]
BP=4
BP=2AP=>ABP=30°
APB+APM=60+120=180=>M-P-B
