Question

8.Find the measure of third angle of triangles whose two angles are 380 and 1020.
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Answer 1

Answer:

40 degree

Step-by-step explanation:

let the third angle be x

sum of all the angles = 180 degree

38 + 102 + x = 180

140 + x = 180

x = 180 - 140

x = 40 degree

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