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In a carpentry class in Pune, Meena cuts a wooden strip so that two adjoining angles are supplementary.
If one angle is 40° more than the other, find the SMALLER angle.

Class 7Complementary and Supplementary AnglesLines and Angles
  • A77
  • B70
  • C63
  • D140

Step-by-Step Solution

Let smaller be ; larger is °. Then °) = 180°, so °, °.
Answer: B) 70

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