alexmundo7 alexmundo7

21-12-2018
Mathematics

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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 class=

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jimrgrant1 jimrgrant1

21-12-2018

Answer:

B

Step-by-step explanation:

arc length = circumference × fraction of circle

= 84 ×[tex]\frac{90}{360}[/tex] = 21 cm

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