Quadrilaterals
What is the name of the shape that has 4 congruent sides and 4 right angles?
square or rhombus
If a square has a side length of 4 cm, what is the area?
16 square cm
What is the definition of a polygon?
closed shape with 3 or more sides
How do you find the perimeter of a shape?
Add up all of the sides
l x w = ?
area
What is the name of the quadrilateral that has exactly one pair of parallel lines?
trapezoid
If a rectangle has one side length of 5 in and the opposite side length of 7 in, what is the area?
35 square inches
Is a circle a polygon?
no
If a rectangle has sides lengths of 4 cm and 2 cm, what is the perimeter?
12 cm
An angle smaller than a right angle is called ______.
acute angle
What three quadrilaterals have two pairs of parallel lines?
square
rhombus
rectangle
Can two different rectangles have the same area but different perimeters?
yes
What is the name of a polygon with 4 sides?
quadrilateral
A hexagon has a perimeter of 20 feet. We know 5 of the side lengths are 2 ft, 3 ft, 5 ft, 2 ft, and 4 ft. What is the length of the 6th side?
4 ft
Two perpendicular lines, forming a 90 degree angle is called ________.
right angle
How is a square different from a rectangle?
A square must have 4 congruent sides
What is the equation used to find the area of a rectangle that is 2 feet by 7 feet?
2 x 7 = 14 square feet
Is a rhombus a polygon?
yes
A square has a side length of 4 meters. What is the perimeter?
16 meters
Kenny's bedroom measured 9 ft by 11 ft. What is the equation to find the area of his room?
9 x 11 = 99 square feet
What three attributes does a rectangle have?
4 right angles
4 sides
2 pairs of parallel lines
If the area of a rectangle is 28 square cm and one side is 7 cm, what is the length of the opposite side?
4 cm
Name three polygons that do not have 4 sides.
triangle
hexagon
pentagon
octagon
A triangle has 3 congruent sides. The perimeter is 27 inches. What is the length of each side?
9 inches
What do you call an angle that is greater than a 90 degree angle?
Obtuse angle