Polygons
What do you call a polygon with 4 sides?
Quadrilateral
What is the definition of an acute angle?
An angle that is less than 90 degrees.
What is the formula to find area?
Area = length x width
What is one way to find perimeter of a quadrilateral?
Possible answers include:
Perimeter = L + L + W +W
Perimeter = (L x 2) + (W x 2)
Perimeter = (L+W) x 2
What is the definition of parallel lines?
Parallel lines are two or more straight lines that will NEVER intersect.
What do you call a polygon with 6 sides? Draw an example.
Hexagon
Sketches will vary
What is the definition of obtuse angle?
An obtuse angle is an angle between 90 degrees and 180 degrees.
Sketch a rectangle with the dimensions 15 inches by 25 inches.
Find the area.
15 x 25 = 375 square inches
Work will vary. Answer needs to have squared inches or incorrect.
Draw a rectangle that is 36 cm by 144 cm. Find the perimeter.
Perimeter = 360 cm
Work will vary. Need proper units for correct answer.
What is the definition of perpendicular lines?
Sketch a polygon with 2 acute angles and 2 obtuse angles. Label the angles.
Answers will vary. Incorrect if angles not labeled.
Using your protractor, sketch a 30 degree angle.
Ms. Markelon will come to check work!
A square has an area of 25 square inches. What are it's dimensions?
5 inches by 5 inches
Units must be included to get full points.
Draw a rectangle that has a length of 32.5 in and a width of 38 in. Find the perimeter. Show your work.
32.5 + 32.5 =65
38 + 38 = 76
76 + 65 = 141
141 inches.
Sketch two line segments that are perpendicular to each other.
Sketches will vary.
Draw 3 different non examples of polygons.
Answers will vary
Sara sketched a right angle. Then she divided her angle into 2 smaller angles, angles b and angle c. If angle b = 25 degrees, what is the measure of angle c?
Since a right angle is 90 degrees, and we know angle b = 25,
90- 25 = 65 degrees
Incorrect if there are no labeled units.
Ms. Markelon is building a fence to hold 1,000 puppies. She needs the area to be 675 square feet long. If one side of the fence is 9 feet, how long is the other side?
Show your work.
675 divided by 9 = 75 feet.
Work will vary. Units must be included to receive full credit.
Ms. Tatto is building a rectangular fence to plant a garden. She only have enough materials to make a fence that is 234 feet long, in total. If one of the sides is 42 feet long, find the missing dimension.
75 feet long.
Work will vary:
42 x 2 = 84
234 - 84 = 150
150 divided by 2 = 75 feet
Sketch a polygon with exactly one line of symmetry.
Answers will vary.
Max says that a square, rectangle, rhombus, and parallelogram all have two pairs of parallel sides. He also says that a rhombus and a parallelogram have at least one obtuse angle.
Do you agree or disagree? Make a sketch, or use words to explain your answer.
Max is correct. Explanations will vary, but need to describe attributes of each shape.
What is a reflex angle?
An angle that is more than 180 and less than 360 degrees
What are 3 different combinations of dimensions for a rectangle that has an area of 36 square inches?
1 in by 36 in
2 in by 18 in
3 in by 12 in
4 in by 9 in
Mrs. Dora is creating an equilateral hexagonal box to put chocolates in (to give to Ms. Markelon of course!). If one side of the box is 7 inches long, what is the perimeter?
7 x 6 = 42 inches long
Sketch a quadrilateral with exactly two lines of symmetry.
Answers will vary.