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atroni [7]
3 years ago
14

The sum of the three angles in a triangle is 180 degrees. One of the angle measures 30 degrees, and the second angle measures 75

degrees. What is the measure of the third triangle?
Mathematics
2 answers:
Solnce55 [7]3 years ago
8 0

Answer: the measure of the third triangle is 75 degrees.

Step-by-step explanation:

Let the measure of the third angle be x degrees.

The sum of the three angles in a triangle is 180 degrees.

One of the angle measures 30 degrees, and the second angle measures 75 degrees. Therefore,

30 + 75 + x = 180

105 + x = 180

Subtracting 105 from the left hand side and the right hand side of the equation, it becomes

x = 180 - 105 = 75 degrees

Molodets [167]3 years ago
4 0

Answer:

75 degrees

Step-by-step explanation:

30 + 75 = 105

180 - 105 = 75

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