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Answered

  1. The absolute value of -8 is 8.

True or false 3. An isosceles triangle has three congruent sides.

true


false 4. The cosine is the ratio between the length of the opposite leg to the length of the hypotenuse.

true


false

  1. The boiling point of water is 212°C.

true


false

6.

The expression 28xyz has 4 terms.

true


false

7.

Shapes that have the same size and shape are said to be similar.

true


false

8.

The points where the sides of a polygon meet are called the vertexes.

true


false

  1. A heptagon is a seven-sided polygon.

true


false

10.

An acute angle has more than 90° but less than 180°.

true


false

Verified Answer :

DocInTardis
  1. The absolute value of -8 is 8. True
    3. An isosceles triangle has three congruent sides.
     Nope. It has two

      4. The cosine is the ratio between the length of the opposite leg to the length of the hypotenuse.
     I have no idea.

     5. The boiling point of water is 212°C.
    true

     
    6.
    The expression 28xyz has 4 terms.
    true


     
    7.
    Shapes that have the same size and shape are said to be similar.
    false

     8.
    The points where the sides of a polygon meet are called the vertexes.
    true

     
    9. A heptagon is a seven-sided polygon.
    true (hexagon)

     10.
    An acute angle has more than 90° but less than 180°.
    true

     

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