The first two angles in a triangle are 100 degrees and 70 degrees. What does the third angle have to be?
2 answers:
Answer:
180 degrees
Step-by-step explanation:
because 52 degrees + 104 degrees + 24 degrees = 180 degrees
Answer:
B. 10 Degrees.
Step-by-step explanation:
The degrees of the angles on a triangle must have a sum of 180 degrees.
100 + 70 = 170.
180 - 170 = 10.
This is how you know 10 degrees is what the third angle must be.
100 + 70 + 10 = 180.
So, B is your answer.
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