Respuesta :
15.
Angle ADC and angle ADE
16.
Definition of complementary angles
22.
180-2(ACD)+180-2(AED)
24.
CA is perpendicular to AE
25.
Because it is perpendicular to the radius AC
Angle ADC and angle ADE
16.
Definition of complementary angles
22.
180-2(ACD)+180-2(AED)
24.
CA is perpendicular to AE
25.
Because it is perpendicular to the radius AC