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OpenStudy (anonymous):
11. If the length of ST is 7pi, and RS = 9, calculate TRS .
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OpenStudy (anonymous):
i assume angle right?
OpenStudy (anonymous):
else its 30.99
OpenStudy (anonymous):
is it a right angled triangle ?
OpenStudy (anonymous):
assuming they are on straight line
OpenStudy (lalaly):
TRS/360 * 2 * 9 * pi = arclength = 7 pi so TRS = 140.
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OpenStudy (anonymous):
lalay got it i think because 140 is one of the answers to choose
OpenStudy (anonymous):
thanks....i have more
OpenStudy (lalaly):
:):)
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