Inniia Inniia
  • 26-06-2018
  • Mathematics
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What is the measure of our EF in circle H?

What is the measure of our EF in circle H class=

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jdoe0001 jdoe0001
  • 26-06-2018
check the picture below.

by the "inscribed quadrilateral conjecture", we know that angles at G and E are supplementary angles, namely they add up to 180°, and by the "inscribed angle theorem", we know that the arcDEF is 2(57).
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