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Donnavan is measuring the angles of a triangle. he measures the first two angles and gets 10° and 120°. what should be the measure of the third angle? a.25° eliminate b.50° c.13…

Donnavan is measuring the angles of a triangle. he measures the first two angles and gets 10° and 120°. what should be the measure of the third angle? a.25° eliminate b.50° c.13…
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Donnavan is measuring the angles of a triangle. he measures the first two angles and gets 10° and 120°. what should be the measure of the third angle?

a.25° eliminate
b.50°
c.130°
d.230°

User Stiin
by
8.9k points

1 Answer

5 votes
B as all angles in a triangle must add up to 180
10+120=130
180-130=50
Therefore the last angle must be 50°
User Mcestone
by
8.5k points
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