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kow [346]
3 years ago
9

Three interior angles of a quardilateral have measures of 100 degress, 120 degress, and 80 degress. Find the foourth angle measu

re.
Mathematics
1 answer:
Delicious77 [7]3 years ago
8 0

Answer:

60 degrees

Step-by-step explanation:

100+120+80+x=360

300+x=360

x=60

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angle ABE is equivalent to the whole angle, and it measures 2b. <span>
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Angle EBF = 2b – (7b – 24)

<span>Angle EBF = 24 – 5b</span>

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Afina-wow [57]

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