Please help me. I need the figure 2 is a scaled copy of figure 1 identify the point and figure 2 that corresponds to point k and
figure 1 choose answer a b c d
2 answers:
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Given:
Central angle of a sector = 72 degrees
Intercepted arc length = 44 cm
To find:
The radius of the circle.
Solution:
We know that, the arc length is
Where, r is the radius of the circle, is the central angle in degrees.
Putting and
, we get
Divide both sides by 1.256.
Therefore, the radius of the circle is about 35.03 cm.