In the diagram below, line segment bc is an altitude of triangle abd. To the nearest whole unit what is the length of cd.
1 answer:
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<u>Given</u>:
Given that the radius of the circle is 4 units.
The given figure is th of the circle.
We need to determine the area of the th of the circle.
<u>Area of the circle:</u>
The area of the circle can be determined using the formula,
Substituting r = 4, we have;
Thus, the area of the circle is 16π units².
<u>Area of the </u><u>th of the circle:</u>
The area of the th of the circle is given by
Therefore, the area of the shape is 12π units².