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prohojiy [21]
3 years ago
11

Donnavan is measuring the angles of a triangle. he measures the first two angles and gets 10° and 120°. what should be the measu

re of the third angle?
a.25° eliminate
b.50°
c.130°
d.230°
Mathematics
1 answer:
SSSSS [86.1K]3 years ago
4 0
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°
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