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3 years ago

8

The radius of the circle is 7 inches what is the approximate length of AB (AB is 135 degrees

1 answer:

Sholpan [36]3 years ago

6 0

We know that
circumference=2*pi*r
for r=7 in
circumference=2*pi*7------> 14*pi in

if 360° (full circle) has a length of------------ 14*pi in
135°-----------------------------> x
x=135*14*pi/360----------> x=5.25*pi in--------> 16.49 in

the answer is
5.25*pi in or 16.49 in

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