Geometry Logic Statements

Is the inverse of this true?

• Its true.  If two angles are not supplementary, then they do not add up to 180 degrees.

• Its false.  If angles don't add up to 180, they can still be supplementary.

• Its false.  Supplementary angles add up to 90 degrees.

• Its true.  Supplementary angles can add up to less than 180 degrees.

Is the converse to this true?

• Its false.  Parallel lines intersect.

• True -- Parallel lines will not intersect if they are parallel.

• False.  

• What are parallel lines?

Which diagram represents:
"If a triangle is equilateral, then it is isosceles."

• A

• B

• C

• D

What is the hypothesis?

• it is a polygon

• it is a triangle

• it has three sides

• a triangle is a polygon

What is this mean?

• Conditional Statement

• Converse

• Inverse

• Contrapositive

• q -> p
• p ->  q
• ~q -> ~p
• ~p ->  ~q

Find the length of AB if AC=25

• 7

• 11

• 14

• 25

Negate the statement:

"I love Geometry"

• Geometry I love

• If I love Geometry, then I do not love Geometry

• If and only if I love Geometry

• I do not love Geometry

If a figure is a rhombus, then the figure is a parallelogram.

If a figure is a parallelogram, then the figure is a quadrilateral.

• If a figure is a rhombus, then the figure is a quadrilateral.

• If a figure is a quadrilateral, then the figure is a rhombus.

• Not possible

Q1. How many apples are there?

• 1

• 15

• 20

• 12