Parallelograms
How many sides does a parallelogram have?
True or False: A trapezoid has 1 pair of parallel lines and 1 pair of perpendicular lines.
False
True or False: A triangle's area is 2/3 of a rectangle's area.
False
What is a net?
A net is the two-dimensional pattern of shapes that can be folded to make a three-dimensional figure.
What is the formula for the volume of a rectangular prism?
Volume = l x w x h
True or False: A parallelogram has 2 pairs of parallel lines.
True!
True or False: When using the trapezoid equation, you can interchange (switch) B1 and B2, without causing a mathematical error.
True!
Describe a triangle.
A triangle has 3 sides and 3 vertices.
What shapes make up the net of a rectangular prism?
3 sets of 2 identical rectangles
What is the formula for the volume of any prism?
Volume = B x h
The area of a parallelogram can be calculated using what formula?
Area = b x h
The area of a trapezoid can be calculated with what formula?
Area = 1/2 x h x (B1 + B2)
A triangle has a height of 20 centimeters and a base of 5 centimeters. What is the area of the
triangle?
50 square centimeters
What shapes make up the net of a square pyramid?
1 square and 4 triangles
A rectangular swimming pool is 20 meters long, 12 meters wide, and 5 meters deep. What is its volume?
1200 cubic meters
Solve: A parallelogram has a base of 12 centimeters and a height of 8 centimeters. What is the area of the parallelogram?
96 square centimeters
What is the area of a trapezoid with B1 of 12 inches, B2 of 10 inches, and h of 8 inches?
44 square inches
A right triangle has a height of 14 centimeters and a base of 15 centimeters. What is the area of the triangle?
105 square centimeters
What shapes make up the net of a triangular prism?
1 pair of congruent triangles and 3 rectangles
What is the surface area of a square pyramid with the base side of 25 cm and side triangle height of 40 cm?
2625 square centimeters
Which of these other shapes are ALWAYS parallelograms? (Hint: There are more than one.)
Polygons, Squares, Quadrilaterals, Trapezoids, Triangles, Rhombuses, and Rectangles
Rhombuses, Trapezoids (depends on if you interpret the definition to include just 1 set of parallel sides or at least 1 set of parallel sides), Squares, and Rectangles
What is the area of a trapezoid made of an isosceles triangle (b=12 feet and h=3 feet) and a rectangle (l=6 feet and w=8 feet)?
A triangle has a height of 11.7 centimeters and an area of 71.37 square centimeters. What is the triangle's width?
12.2 centimeters
1 pair of congruent trapezoids and 5 rectangles
Given: A triangular prism with...
length of base = 6 inches, width of base = 8 inches, hypotenuse of base = 10 inches, and height =16 inches.
Solve: How much would it cost to cover the outside with $0.25 per square inch wrapping paper.
$108.00