Question

The sum of two opposite angles of a parallelogram is 140 degree. Find all the angles of the parallelogram.
NOTE: FOR GRADE 6
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

ABCD is a parallelogram.

∠B+∠D=130

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∠B=∠D (opposite angles of a parallelogram are equal)

∠B=∠B=130

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2∠B=130

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∠B=

2

130

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∠B=65

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Now ∠B+∠C=180

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(adjacent angles of a parallelogram are supplementary )

∠C=180

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−∠B=180

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−65

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∠C=115

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∴∠A=∠C=115

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(opp. angles of parallelogram are equal)

∴∠B=∠D=65

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and ∠A=∠C=115

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