Respuesta :
Answer:
Answers are correct
Step-by-step explanation:
1. The sides of an angle are lines
2. When using three letters to name an angle, the middle letter represents the vertex
3. A protractor is a tool used to measure angles.
4. Angles are measured in units of degrees .
5. There are three methods for naming angles.
6. A circle measures 360 degrees
7. A(n) acute angle measures less than 90o.
8. A straight angle measures 180 degrees
9. Congruent angles have the same measure.
10. Ruler are used to show that angles have the same measure on a diagram.
11. An angle that measures greater than 90o but less than 180o is called obtuse
12. The common endpoint of two rays that make an angle is called the vertex.
13. If an angle measures 90o, it is called a(n) right angle.
The appropriate letters to complete the blank in the sentences given are :
B ; H ; M ; D ; E ; K ; P ; O ; A ; G ; L ; F ; C
1 • Ray : two line segment or sides which forms an angle
2 • Vertex : Using the 3 letter notation, the mid letter is called the VERTEX
3 • Protractor: The protractor is a mathematical tool used for measuring angles.
4 • Degrees : The unit of angle measurement is called degrees.
5 • Three : The angle naming conventions are : three letter method with the vertex letter being at the middle, vertex letter method, letter or number written at the opening of the angle
6 • 360° : circumference of a circle .
7 • Acute : angles less than 90°
8 • 180° : measure of angle on a straight line .
9 • Congruent : Angles having the same measurement .
10 • Arcs : denotes angles with the same value.
11 • Obtuse : angle greater than 90° but less than 180°
12 • Endpoint : The meeting point of two rays where an angle is formed .
13 • Right : angle measuring exactly 90°
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