Area and Perimeter of triangles and quadrilaterals CPM Area Review (6th Grade CC1)
Area
The space inside a geometric shape, such as a square or a circle.
112
What is the area of the shape?
160
What is the area of the shape?
200
What is the area of the shape?
28.05
What is the area of the triangle?
38.5
What is the area of the triangle?
42.35
What is the area of the triangle?
48
What is the area of the triangle?
74
What is the area of the triangle?
75.2
What is the area of the triangle?
16
What is the area of this shape?
240 in²
What is the area of this shape?
81
What is the area of this shape?
11
What is the base of this triangle?
5
What is the base of this triangle?
42
What is the perimeter of this triangle?
45
What is the perimeter of this triangle?
Polygon
A closed plane figure formed by three or more line segments that do not cross over each other.
Rhombus
A parallelogram with four congruent sides.
Quadrilateral
A polygon with 4 sides
Parallelogram
A quadrilateral that contains two pairs of parallel lines.
Trapezoid
A quadrilateral with only one pair of parallel sides.
Rectangle
A quadrilateral with with four congruent angles (all 90 degrees).
Right Triangle
A triangle which has one 90-degree angle.
Equiangular Triangle
A triangle with all congruent angles
Isosceles
A triangle with exactly two congruent sides
Obtuse Triangle
A triangle with one angle that measures more than 90 degrees.
Scalene
A triangle with three unequal sides.
Right Angle
An angle that measures exactly 90 degrees.
Composite Figure
An irregular shape that can be split into familiar shapes such as rectangles, triangles, and circles to find the area.