Reason With Two-Dimensional Shapes and Their Attributes

Which two lines in this shape are parallel?

• AB and DC

• BC and AD

• BD and CA

• ABCD

What kind of line is this?

• line

• line segment

• ray

• angle

What kind of line is this?

• line

• line segment

• ray

• angle

What kind of angle is this?

• right angle

• straight angle

• obtuse angle

• acute angle

What kind of triangle is this?

• scalene triangle

• equilateral triangle

• isosceles triangle

• right triangle

What kind of triangle is this?

• scalene triangle

• equilateral triangle

• isosceles triangle

• right triangle

How many acute angles are in this shape?

• 0

• 1

• 2

• 3

What is the name of this shape?

• square

• rhombus

• trapezoid

• parallelogram

How many pairs of parallel lines are in this shape?

• 0

• 2

• 3

• 1

What are these lines called?

• parallel lines

• perpendicular lines

• intersecting lines

• line segments