Engineering Board Exam Reviewer · Circles: Arcs and Angles · medium
Find the area of the circular segment cut off by a chord that subtends a central angle of 90° in a circle of radius 10.
- 78.54
- 28.54
- 50
- 14.27
Answer
B. 28.54
Solution
A= 12r2( - )= 12(100)≤ft( π2-1 ) 28.54.
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