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Alinara [238K]
3 years ago
11

Plz help me !!!! I’m not sure if it’s 20 !

Mathematics
2 answers:
vodka [1.7K]3 years ago
5 0

Answer:

D) 20º

Step-by-step explanation:

if one angle is 70º, and the other is 90º, that means that the first two angles equal 160º. since all three interior angles of a triangle have to add up to 180º, the third angle must be 20º.

evablogger [386]3 years ago
5 0
Hey!! The answer is 20!

:)
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So we solve for each
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