a. ability to access cash value
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
732.4 because just put in a decimal before a # and then do place value to a whole #.
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Step-by-step explanation: