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upandover

In a triangle, the total measure of the interior angles is 180 degrees.

26 + 98 + x = 180

124 + x = 180

x = 56 degrees

The measure of the third angle is 56 degrees.

Hope this helps!! :)

Luv2Teach

Answer:

Step-by-step explanation:

By the Triangle Angle-Sum Theorem, all the angles of a triangle have to add up to equal 180 degrees.  Therefore,

180 - 26 - 98 = 56

The third angle has to measure 56 degrees.

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