Answer:
a). cosA = 4/5
b).
A circle’s circumference is approximately 44 cm. The circle’s diameter is approximately ________ cm.
2 answers:
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Answer:
The equation of the circle can be written as:
Step-by-step explanation:
The general equation of a circle with center and radius
is:
In our example, we know , as we just have to make sure we need determine
.
As the circle passes through (10, 14), that pair of values for x and y must satisfy the equation. So we have:
Thus the equation of the circle can be written as: