rinwashere7 rinwashere7

05-02-2021
Mathematics

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can someone pls pls pls help, i will mark brainliest if right and show work

can someone pls pls pls help i will mark brainliest if right and show work class=

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Anisatunizzati Anisatunizzati

05-02-2021

Answer:

∠7 = 81°

Step-by-step explanation:

∠1 = ∠7

3x + 18 = 2x + 39

3x - 2x = 39 - 18

x = 21

∠7 = 2x + 39

∠7 = 2(21) + 39

∠7 = 42 + 39

∠7 = 81°

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