Waaaagh L.
asked • 05/15/18
A chord of 48cm is 7cm from the center of a circle. Calculate the area of the circle
Philip P.
answered • 05/15/18
Effective and Patient Math Tutor
Draw a picture and you'll see a right triangle with sides = 7 and 24 and hypotenuse = r (the cricle's radius). By the Pythagorean Theorem:
r2 = 72 + 242
Area = pi·r2
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