alinahilton17 alinahilton17
  • 17-11-2020
  • Mathematics
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what is the measure of efg if efh=111?

what is the measure of efg if efh111 class=

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JennyTheBest813
JennyTheBest813 JennyTheBest813
  • 17-11-2020

Answer:

43°

Step-by-step explanation:

∠EFG+∠GFH=∠EFH

  1. So (3x-20)+(3x+5)=111.
  2. You don't need the parenthesis, 3x-20+3x+5=111
  3. Combine like terms, 6x-15=111
  4. Add 15, 126
  5. Divide by 6 to isolate the variable, x=21

∠EFG is (3x-20) and we know x is 21. 3(21)-20=63-20=43.

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