Question

Sum of two interior angles a triangle is 105 degrees . Find third angle

Answer 1

Answer:

Let the number be x

105+x=180

x=180-105

x=65

third angle=65

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Answer 2

Answer:

The measure of the third angle will be  75°

Step-by-step explanation:

Here the sum of two interior angles of a triangle is given to be 105°

We have to find the third angle

Now, we know that sum of three angles of a triangle is 180°

Let us assume the third angle to be x

So, x + 105 = 180

              x = 180 - 105

              x = 75°