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The circumstances of Z is 84cm. What is the length of XY (the mirror arc)
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The circumstances of Z is 84cm. What is the length of XY (the mirror arc)

The circumstances of Z is 84cm. What is the length of XY (the mirror arc)-example-1
User ManIkWeet
by
8.4k points

1 Answer

5 votes

Answer:

B

Explanation:

arc length = circumference × fraction of circle

= 84 ×
(90)/(360) = 21 cm


User Dmitry Mitskevich
by
8.9k points
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