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What is the area of this figure? Enter your answer in the box
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Answer:
Complex and imaginary number
Step-by-step explanation:
First, let's write the number in the form of
.
Since can be written in the form of
, where
and
are real numbers, it is a complex number.
Also, since , it is also an imaginary number.
is complex and imaginary.
Given:
Area of a sector = 64 m²
The central angle is .
To find:
The radius or the value of r.
Solution:
Area of a sector is:
Where, r is the radius of the circle and is the central angle of the sector in radian.
Putting , we get
Taking square root on both sides, we get
Therefore, the value of r is m.