(-1,9) because Y is always the second number and -3*-1=3 so 9=3+6 basically :)
Answer:
multiplicative inverse of both 300 and 0.054
16.2
It should be noted that the angle at the center of the circle is twice the angle at the circumference.
<h2>
Circle Theorem</h2>
It should also be noted that the angle in a semicircle is a right angle. Angles that are in the same segment are equal.
Furthermore, the opposite angle that is in a cyclic quadrilateral sum is 180°. The angle between the chord and the tangent is also equal to the angle in the alternate segment.
Learn more about circles on:
brainly.com/question/24375372
60 degrees
Right angles add up to 90 so 90-30=60