If two angles of a triangle have measures of 42° and 20°, what is the measure of the
2 answers:
Answer:
118
Step-by-step explanation:
We know,
Sum of all angles of triangle is 180 degree.
Let, the third angle be x,
or, 42 + 20 + x = 180
or, 62 + x = 180
or, x = 180 - 62 = 118
Therefore, the third angle is 118 degrees
Answer:
118°
Step-by-step explanation:
the angle measures of a triangle will always add up to 180
so..
42+20=62
180-62=118
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