Question

In parallelogram ABCD, measure of angle D is 115 degrees, then the measure of angle A is

Answer 1

Answer:

angle A = 115 degree

Step-by-step explanation:

Opposite angles in a parallelogram are equal

Answer 2

Correct Question:-

In parallelogram ABCD, measure of angle D is 115 degrees, then the measure of angle A is

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Answer:-

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Given:

▪︎Measure of angle D = 115°

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To Find:

▪︎Measure of angle A

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Solution:

As we know;

${\bf{Sum\ of\ adjacent\ angles\ =}}$ 180°

${\bf{\implies Angle A + Angle D =}}$ 180°

${\bf{\implies Angle A}}$ + 115° = 180°

${\bf{\implies Angle A =}}$ 180° - 115°

${\bf{Hence,\ measure\ of\ angle\ A\ is}}$ 65°.

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More to know:-

▪︎Sum of adjacent angles of a parallelogram is 180°.

▪︎Opposite angles of a parallelogram are equal.

▪︎Sum of all angles of a parallelogram is 360°.

▪︎Opposite sides of parallelogram are equal in length.