Find the value of X- if ABCD is a parallelogram- A- 50-B- 130-C- 4 cm

The correct option is Opposite angles of parallelogram are equal. ∴ x =50^∘ Adjacent angles of parallelogram are supplementary. ∴ x =130^∘ Opposite sides o ...

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Standard IX

Mathematics

Theorem 3: Opposite Angles in a Parallelogram Are Equal

Find the valu...

Question

Find the value of $x$ , if ABCD is a parallelogram.

50^{\circ}

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130^{\circ}

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4cm

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Solution

Opposite angles of parallelogram are equal.
$∴ x = 50^{\circ}$

Adjacent angles of parallelogram are supplementary.
$∴ x = 130^{\circ}$

Opposite sides of a parallelogram are equal.
$∴ x = 4 c m$

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Find the value of x, if ABCD is a parallelogram.

Opposite angles of parallelogram are equal. ∴x=50∘ Adjacent angles of parallelogram are supplementary. ∴x=130∘ Opposite sides of a parallelogram are equal. ∴x=4cm

Find the value of $x$ , if ABCD is a parallelogram.

Opposite angles of parallelogram are equal.
$∴ x = 50^{\circ}$

Adjacent angles of parallelogram are supplementary.
$∴ x = 130^{\circ}$

Opposite sides of a parallelogram are equal.
$∴ x = 4 c m$