2D-Shapes

What are these?

• Square
• Quadrilateral
• Polygon
• Hexagon

Two lines that run the same direction that will never cross.

• Perpendicular
• Parallel
• Obtuse
• Acute

Select all the shapes that have the following properties:

2 pairs of parallel sides

4 sides of equal length

• square

• rectangle

• rhombus

• quadrilateral

• parallelogram

Easton says he has a triangle with 1 obtuse angle and 3 different side lengths. Select the statement that correctly identifies this triangle.

• The triangle must be an obtuse scalene triangle

• This triangle must be an obtuse isosceles triangle

• The triangle must be an obtuse right triangle

• The triangle must be an obtuse equilateral triangle

What belongs in the first square that has a question mark?

• rhombus

• trapezoid

• parallelograms

• triangle

Which polygon has 4 sides and only one pair of parallel sides?

• Trapezoid

• Square

• Rhomus

• Parallelogram

Which polygon has 3 sides and only 2 of the side lengths are congruent?

• Equilateral triangle

• Scalene Triangle

• Isosceles triangle

• Trapezoid

What is the formula for area of a triangle?

• A = bh
• A = bh/2
• A = b + h
• A = b - h

What is the radius of this circle?

• 18
• 10
• 9
• 8

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π