Step-by-step explanation:
a)
DA is tangent and at point A and OA is radius of the circle.
(Angle formed at the circumference of the circle is half the angle formed at the center of the circle)

Answer: 530.66 units²
<u>Step-by-step explanation:</u>

Answer:
The Transitive Property for x and y
Step-by-step explanation:
Answer:
i dont know
Step-by-step explanation:
.