A triangle has a 40 degree angle and a 35 degree angle. What is the measure of the third triangle?
2 answers:
Answer:
105
Step-by-step explanation:
The sum of the angles of a triangle add to 180 degrees
<1 + <2 + <3 = 180
40 + 35 + <3 = 180
Combine like terms
75+ <3 = 180
Subtract 75 from each side
75-75 + <3 = 180-75
<3 = 105
Answer:
105 degrees
Step-by-step explanation:
In a triangle, the three interior angles always add to 180°
40 + 35 = 75
180-75 = 105 degrees
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