Polygons
True or False:
All polygons are quadrilaterals.
False, triangles, pentagons, hexagons, and octagons are polygons.
True or False:
Triangles can only be classified by angles.
False, triangles can be classified by angles and sides.
True of False:
All quadrilaterals are polygons.
True
True or False:
To find perimeter you have to use the formula every single time.
False, depending on the shape, sometimes you just add up all the sides.
True or False:
The base in the formula V=B x h, mean the area of the bottom.
True
What is a shape with 7 sides called?
Heptagon
If a triangle has 2 acute angles and one obtuse angle, what type of triangle is it?
True or False:
A trapezoid has 2 sets of parallel lines.
False, it only has one set.
The area of a square is 136 inches. What is the length of the square?
34 inches
The length and width of a rectangular prism is 4mm. The height is 8mm. What is the volume?
128 mm
True or False:
Polygons are shapes with only 3 sides, is closed, and has straight lines.
False, polygons can have more than 3 sides.
What are the 3 different type of side classifications of triangles?
Scalene
Isosceles
Equilateral
How many right angles does a rectangle have?
4 right angles
Kris draws a rectangle with a width of 20 meters, and a length of 12 meters. What is the perimeter of his rectangle?
64 meters
The length of one edge of a cube is 6 units. What is the volume of the cube?
216 cubic units
List 3 different types of polygons with 4 sides
square, rectangle, trapezoid, rhombus, parallelogram
A triangle has one right angle. Two sides are the same length. What is this triangle classifies as?
Right isosceles triangle
Give an example of a shape the has 4 sides and 2 sets of parallel lines.
rectangle
square
parallelogram
rhombus
The perimeter of a rectangular billboard is 32 meters. If the length of the billboard is 7 meters, what is the width of the billboard?
9 meters
A rectangular prism has a length of 20 inches, a width of 11 inches, and a height of 13 inches. What is the volume?
2,860 cubic inches
True or False:
Polygons can be 3-dimensional
False, polygons are 2-dimensional
A triangle has:
angles: 32 degrees, 14 degrees, and 134 degrees
sides: 40 inches, 43 inches, and 51 inches
What is this triangle called?
Obtuse Scalene Triangle
A rectangle, square and rhombus are all examples of what?
parallelogram
polygon
pentagon
none of the above
parallelogram
Priscilla built a cabinet shaped like a rectangular prism. The base is 9 inches, and the width is 40 inches. What is the area of the base of the cabinet in square inches?
360 square inches
The length of a rectangular prism is 4cm, the height of the prism is 6cm. The volume of the rectangular prism is 120cm. What is the width of the prism?
5cm