For this case we have that the area of a circle is given by:
Where:
r: It is the radius of the circle
By clearing the radio we have:
We take the positive value:
The diameter is twice the radius:
Answer:
Which point would map onto itself after a reflection across the line y = –x?
1 answer:
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Answer:
B
Step-by-step explanation:
the measure of the chord- chord angle ABC is half the sum of the arcs intercepted by the angle and its vertical angle , that is
∠ ABC = (AC + DE) =
(75 + 45)° =
× 120° = 60°