GageSavage
GageSavage GageSavage
  • 08-04-2020
  • Mathematics
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Hello,Please help me!This is my math work
Find the unknown value of a

HelloPlease help meThis is my math work Find the unknown value of a class=

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KurdishPotato
KurdishPotato KurdishPotato
  • 08-04-2020

Answer:

104°

Step-by-step explanation:

The sum of interior angles in a pentagon is 540°

107° + 121° + 3a° = 540°

3a° + 228° = 540°

3a° = 540° - 228°

3a° = 312°

a° = 104°

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