What is this called?
Rhombus
How many degrees is three-fourths of a full rotation?
270 degrees
What type of angle is this angle?
Obtuse
A triangle has angle measures of 120 degrees, 36 degrees, and 24 degrees. Classify it based on its angles.
Obtuse Triangle
A chef has a wheel of cheese that is cut into 6 equal pieces. The chef uses 2 pieces. What is the angle measure formed by the missing pieces?
120 degrees
Which polygon has 4 sides and 4 angles?
quadrillateral
What type of triangle has all sides of equal length?
equilateral
Which quadrilateral has all equal sides and 4 right angles?
square
How many lines of symmetry does this shape have?
2 lines of symmetry
Are these intersecting lines?
yes!
Is this a line of symmetry?
No (no mirror image)
What is this called?
Line segment
What type of angle is 90 degrees?
right angle
Why is a rectangle not a square?
A square has all equal sides and a rectangle does not.
Parallel lines cross at a 90 degree angle - True or False?
False
What is one example of degrees an obtuse angle may be measured as?
91 degrees -179 degrees
How many equal sides does an isosceles triangle have?
2 equal sides
Does a scalene triangle have 3 equal sides?
No-all sides are different
144 degrees
True or false: this is a line of symmtery
TRUE
A Point
What is the measurement of this angle? What kind of angle is this?
75, acute
All the sides of an equilateral triangle have the same length. Is an equilateral triangle a rhombus? Explain.
No, a rhombus is a quadrilateral so it has 4 sides and a triangle has only 3 sides.
How many lines of symmetry does a rectangle have?
A quadrilateral with only 1 set of parallel sides.
trapezoid
I am a shape that has 2 different sets of parallel lines and no right angles
paralellogram or rhombus
When lines cross to form an angle of 90 degrees they are called....
Perpendicular lines
Is this a RIGHT triangle?
No, there is no right angle in the triangle
If the clock says 5:00, what angle would the hands form?
an OBTUSE angle