Question

4. Find the angle measure x in the following figures
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Answer 1

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1) 110 + 25 = 135°

180 - 135

x = 45

2) 180 - 110

x = 70

2x = 140

3) 140 + x = 180

x = 180 - 140

x = 40

4) 50 + x = 180

x = 180 - 50

x = 130

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Answer 2

Answer:

Since the value of all angles within a triangle must equal 180 degrees, if you know at least two angles, you can subtract them from 180 to find the missing third angle. If you are working with equilateral triangles, divide 180 by three to find the value of X.

Step-by-step explanation:

Above is the formula to find X.