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3.Find the value of 'a' and 'b' by using properties of parallel lines. |
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Answer» A = 40 B = 140 Step-by-step explanation: The 40 degree angle is the same side altering angle for angle A. Because of that RELATIONSHIP, the angles have the same value. A + B will always equal 180 because they are next to each other. 180 - angle A = B 180 - 40 = 140 |
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