Mathematics Periodical Exam

A figure with 2 rays meets at a point called vertex.

• line segments

• points

• parallel lines

• angle

An angle measures exactly 90°.

• obtuse angle

• acute angle

• straight angle

• right angle

We can use centimeter or meter in measuring an angle.

• true

• false

• either true or false

• neither true nor false

Lines that intersect in a special way forming square corners.

• parallel lines

• perpendicular lines

• intersecting lines

• angle

Lines that do not meet at any point.

• angle

• parallel lines

• intersecting lines

• perpendicular lines

Which of the following is NOT an acute angle?

• 48°

• 68°

• 89°

• 98°

Which of the following object has a right angle?

• flatscreen television

• round table

• triangular window

• meter stick

What is a device or tool used in measuring angle?

• ruler

• meter stick

• protractor

• cube

An angle measures 97° is an obtuse angle.

• true

• false

• either true or false

• neither true nor false

An isosceles triangle is a triangle in which exactly two sides are the same length.

• true

• false

• either true or false

• neither true nor false