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Sagot :
Answer:
x = 10
Step-by-step explanation:
All angles in a triangle must add up to 180. We know one angle is 68 and another is 90 because there is a right angle (which are always 90).
180 = 90 + 68 + (2x + 2)
180 = 158 + (2x + 2). subtract 158 from both sides
22 = 2x + 2. subtract 2 from both sides
20 = 2x. divide both sides by 2
10 = x
Answer:
x = 10
Step-by-step explanation:
2x + 2 + 68 + 90 = 180
2x + 160 = 180
2x = 20
x = 10
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