Question

in the given figure, angle ACB = 108°. Find the measure of angle ACD.

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Answer 1

ACD = 180°- 108° = 72°

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Answer 2

Answer:

The measure of ∠ACD is 72°.

Step-by-step explanation:

Given:

Measure of ∠ACB = 108°.

To Find:

Measure of ∠ACD = ?

Solution:

We know that,

BCA is a straight line and straight line forms the angle of 180°.

Given that, ∠ACB = 108° and ∠ACD = ?

Therefore,

=> ∠ACB = 108° ... (Given)

=> ∠ACD = 180° - 108° ... [Taken 180° because straight line forms 180° angle).

=> ∠ACD = 72°

$\therefore$ Measure of ∠ACD is 72°.