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OpenStudy (anonymous):
HELP ME PLEASEEEEEEEEEEEEE!!!!!
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OpenStudy (anonymous):
OpenStudy (anonymous):
The four-sided figure is a trapezium, height 8 (the diameter of the circle), sides 8 and 9, so area 8(8+9)/2. The area of the circle is pi r sqared, so 16pi. Take the area of the circle away from the area of the trapezium and you're there.
OpenStudy (anonymous):
Wait...so here are my options (68 – 8)ft2 (72 – 16)ft2 (68 – 16)ft2 none of the above
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