eliza44
eliza44 eliza44
  • 03-03-2021
  • Mathematics
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What is the measure of each of the arc?

What is the measure of each of the arc class=

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spiderskull420584
spiderskull420584 spiderskull420584
  • 03-03-2021
A=138° B=180° C=180° D=138°
This is because angle QRS and QTS would equal 180° Bc they are supplementary. So 180-42=138. And since they are supplementary and vertical angles, angle ST would also be 42° and QT would also be 138° because angle RS is 138°
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