# Math Question Preview (ID: 555)

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Lines And Angles.
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**What is formed in the middle when two rays have the same endpoint?**

a) angle

b) degree

c) protractor

d) ray

**Part of a line that has one endpoint and goes on forever in one direction is called a**

a) protractor

b) ray

c) angle

d) degree

**The unit used to measure an angle is called a**

a) ray

b) angle

c) protractor

d) degree

**A tool for measuring the size of the opening of an angle is called a**

a) degree

b) ray

c) protractor

d) angle

**A vertex is**

a) a tool for measuring the size of an angle.

b) part of a line that has one endpoint and goes on forever in one direction.

c) the unit used to measure an angle.

d) a common (the same) end point.

**Lines that never cross and stay the same distance apart are called**

a) intersecting lines.

b) perpendicular lines.

c) parrallel lines

d) private lines.

**Lines that pass through the same point and look like an x are called**

a) parallel lines.

b) private lines.

c) perpendicular lines.

d) intersecting lines.

**Lines that are intersecting lines that form square corners of 90 degrees are**

a) parallel lines.

b) perpendicular lines.

c) intersecting lines.

d) private lines.

**What is the angle called that has 90 degrees?**

a) acute

b) obtuse

c) right

d) left

**What is the angle called that is SMALLER than 90 degrees?**

a) obtuse

b) right

c) left

d) acute

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