How many degrees is a straight angle?
180 degrees
How many sides does a quadrilateral have?
4
True or False: A rhombus has perpendicular sides?
FALSE
What type of angle is this angle and why?
Obtuse because it is greater than 90 degrees BUT less than 180.
Draw a right triangle.
drawings will vary.
What is a ray? Draw and describe it.
Drawings will vary.
What is the rule for obtuse angles?
More than 90 degrees
What type of angle is 90 degrees?
right angle
What two angle measurements could be combined to make a perpendicular intersection?
Answers will vary very much
Parallel lines cross at a 90 degree angle - True or False?
False
Name a line segment.
Line Segment JK
An angle has to parts, one is 37 degrees and the other is 46 degrees. How many degrees is the angle? What type of angle is this?
82 degrees
acute
How many degrees are in a straight angle?
180 degrees
A square has one side that is 12 cm long. What is the AREA of the square?
144 square cm
True or False: A square has to have all right angles
True
What are line segments that intersect at an angle of 90 degrees
Perpendicular lines
What is a quadrilateral?
A shape with 4 sides and 4 angles.
How many pairs of parallel lines does a trapezoid have?
one
Can a triangle have 2 right angles? why?
No, because then the sum of all angles would be larger than 180.
The sum of 2 angles is 115. One of my angles is 94, what is the other angle?
21 degrees
What is the measure of an angle that is 1/9 of a circle?
40 degrees
Lines that cross or touch each other and do not make a 90-degree angle.
Intersecting lines
What do squares and rectangles have in common?
Parallel lines, perpendicular lines, 4 right angles
What is the formula for area?
What is the formula for perimeter?
length times width
l+l+w+w or 2(l+w) or (2xl)+(2xW)
What is the rule for acute angles?
Less than 90 degrees
What could be the area of a rectangle that has a perimeter of 24 feet?
Which is not an attribute of a rectangle?
opposite sides are parallel
opposite sides are equal in length
all sides are equal in length
all angles are right angles
all sides are equal in length
Draw a line of symmetry in 2 different rectangles.
drawings will vary
A line with two endpoints.
Line Segment
What is the difference between parallel lines and perpendicular lines?
Parallel lines never intersect, perpendicular lines intersect at a 90 degree angle.