Use the protractor diagram to determine mZMKN. 0 10 120 140 1 110 80 650 4 30 110 100 0 H. K Part A degrees MZMKN = Part B Classify the angle: a a acute right obtuse O straight 150 140 130
Use the protractor diagram to determine mZMKN. 0 10 120 140 1 110 80 650 4 30 110 100 0 H. K Part A degrees MZMKN = Part B Classify the angle: a a acute right obtuse O straight 150 140 130
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![**Determining the Measure of Angle ∠MKN Using a Protractor**
### Instruction:
**Use the protractor diagram to determine the measure of ∠MKN.**
### Diagram Explanation:
The provided diagram is a semi-circular protractor with marked angles from 0° to 180° in both clockwise and counterclockwise directions. Lines representing angles are drawn from point K:
- Line KL aligns with the 0° mark.
- Line KM aligns with the 40° mark on the protractor.
- Line KN aligns with the 180° mark on the protractor.
Line KL is the base line (setting the 0° reference), while lines KM and KN extend to form two angles at point K.
### Steps:
1. Locate point K at the protractor's center.
2. Identify the two lines KM and KN that form angle ∠MKN.
3. Read the mark where line KM intersects the protractor's scale. This line intersects at 40°.
4. Read the mark where line KN intersects the protractor's scale. This line intersects at 180°.
### Calculation:
To find the measure of ∠MKN, subtract the smaller angle reading from the larger angle reading:
\[ \text{angle} \, \angle MKN = 180° - 40° = 140° \]
### Classify the Angle:
- Part A: \( m\angle MKN = \) \( \underline{\phantom{a}} \) degrees
\[ m\angle MKN = 140 \, \text{degrees} \]
### Part B:
Classify the angle as follows:
| a |
|-----|
|](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7467d3f6-7bdd-4e32-a4f9-1251c4970be9%2Fd50aad9a-0338-47fb-bc22-afe1fec46128%2Fwkvf3t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Determining the Measure of Angle ∠MKN Using a Protractor**
### Instruction:
**Use the protractor diagram to determine the measure of ∠MKN.**
### Diagram Explanation:
The provided diagram is a semi-circular protractor with marked angles from 0° to 180° in both clockwise and counterclockwise directions. Lines representing angles are drawn from point K:
- Line KL aligns with the 0° mark.
- Line KM aligns with the 40° mark on the protractor.
- Line KN aligns with the 180° mark on the protractor.
Line KL is the base line (setting the 0° reference), while lines KM and KN extend to form two angles at point K.
### Steps:
1. Locate point K at the protractor's center.
2. Identify the two lines KM and KN that form angle ∠MKN.
3. Read the mark where line KM intersects the protractor's scale. This line intersects at 40°.
4. Read the mark where line KN intersects the protractor's scale. This line intersects at 180°.
### Calculation:
To find the measure of ∠MKN, subtract the smaller angle reading from the larger angle reading:
\[ \text{angle} \, \angle MKN = 180° - 40° = 140° \]
### Classify the Angle:
- Part A: \( m\angle MKN = \) \( \underline{\phantom{a}} \) degrees
\[ m\angle MKN = 140 \, \text{degrees} \]
### Part B:
Classify the angle as follows:
| a |
|-----|
|
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