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izzybellee20004
19.09.2019 •
Mathematics
Select the letter of the best answer choice. use 3.14 or 22/7 for π
what is the radius of a circle with a circumference on 141.3 ft? round your answer to the nearest foot.
a) 4.5 ft
b) 2.25 ft
c) 45 ft
d) 22.5 ft
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Ответ:
141.3 = 2(3.14)r
141.3 = 6.28r
22.5 = r
Ответ:
B. A rectangle and two triangles
Step-by-step explanation:
Any parallelogram can be divided into 2 triangles. Since a rectangle is a parallelogram, it can be divided into 2 triangles to find the total area.
Hope this helps!