Question

*Chose the correct alternative to state the measure of a semicircle* 1️⃣ 90° 2️⃣ 180° 3️⃣ 45° 4️⃣ 360°​

Answer 1

Answer:

2️⃣ 180° is the correct answer

Step-by-step explanation:

because the measure of a circle is 360° and semicircle is the half of it.

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Answer 2

Concept:

Semicircle is half of the circle, having the measure of a full arc equal to 180°. It has only one line of symmetry i.e. reflection symmetry.

Given:

The semicircle.

Find:

We are asked to find the measure of a semicircle.

Solution:

We have,

A semicircle.

So,

As mentioned in the definition above that that the measure of the full arc of a semicircle is 180°. And also as it is half of the circle,

So,

= 360° / 2 = 180°

So,

We can say that the measure of the semicircle is 180°,

So,

Option 2 is the correct answer to the given statement.

Hence, the measure of a semicircle is 180°.

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