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22-06-2020
Mathematics

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If mACD = 100°, then mACE = [?]

If mACD 100 then mACE class=

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wegnerkolmp2741o wegnerkolmp2741o

22-06-2020

Answer:

ACE = 80

Step-by-step explanation:

ACD and ACE form a straight line so they add to 180 degrees

ACD + ACE = 180

100 + ACE = 180

Subtract 100 from each side

100-100 + ACE = 180-100

ACE = 80

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