crymaldonado123 crymaldonado123

24-06-2017
Mathematics

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SOMEONE PLEASE HELP!!
In circle P, diameter QS measures 20 centimeters. What is the approximate length of arc QR? Round to the nearest tenth of a centimeter.

SOMEONE PLEASE HELP In circle P diameter QS measures 20 centimeters What is the approximate length of arc QR Round to the nearest tenth of a centimeter class=

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Аноним Аноним

24-06-2017

First you need the size of an angle QPR = B = 180° - 123°
Lenght of QP = 10cm
QR = x
QP = r
x² = r² + r² - 2r² × cosB

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eduardomontes753 eduardomontes753

09-03-2020

Answer:19.9

Step-by-step explanation:

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