A polygon with ten sides is called a _____.
A. dodecagon
B. pentagon
C. decagon
D. nonagon

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Asked 12/18/2014 10:29:05 AM

Updated 1/12/2015 6:00:35 AM

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Asked 12/18/2014 10:29:05 AM

Updated 1/12/2015 6:00:35 AM

1 Answer/Comment

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A polygon with ten sides is called a decagon.

Added 1/12/2015 6:00:35 AM

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Confirmed by sujaysen [1/12/2015 6:14:10 AM]

If a parallelogram has a right angle, then it must be which of the following?
A. square
B. trapezoid
C. rectangle
D. rhombus **Weegy:** The parallelogram with four right angles and four congruent sides is: square. **User:**
Make a conjecture based on the information below.
1 + 3 = 4
3 + 5 = 8
5 + 7 = 12
7 + 9 =16
9 + 11 = 20
11 + 13 = 24
A. The sum of two consecutive odd numbers is always a multiple of four.
B. The sum of two consecutive numbers is always an odd number.
C. The sum of two consecutive odd numbers is always a prime number.
D. The sum of two consecutive even numbers is always odd.
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Updated 12/23/2014 7:36:35 AM

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How many sides does a convex hexagon have?
A. 4
B. 5
C. 6
D. 7 **Weegy:** A convex pentagon look like a regular pentagon.
**User:**
Which polygon does NOT belong with the other three?
A. parallelogram
B. rectangle
C. rhombus
D. pentagon **Weegy:** The statement that is sometimes, but not always true is D. A rectangle is a square. **User:**
Two polygons that are exactly the same size and shape can always be described as being?
A. convex polygons
B. irregular polygons
C. regular polygons
D. none of the above **Weegy:** Two polygons that are exactly the same size and shape can always be described as: C) Regular polygons. **User:**
Which statement is the converse of the following?
If two angles form a linear pair, then they are supplementary.
A. If two angles are supplementary, then they form a linear pair.
B. If two angles do not form a linear pair, then they are not supplementary.
C. If two angles are not supplementary, then they do not form a linear pair.
D. If two angles form a linear pair, then they are supplementary.
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Question

Updated 12/21/2014 9:03:45 PM

2 Answers/Comments

A convex hexagon has six sides.

Added 12/21/2014 9:01:13 PM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [12/21/2014 9:34:16 PM]

If two angles are vertical angles, then they are congruent. If two angles are congruent, then their measures are equal.
Which of the following is valid, based on deductive reasoning?
A. If two angles are not congruent, then their measures are not equal.
B. If two angles are vertical angles, then their measures are equal.
C. If two angles are congruent, then the two angles are vertical.
D. If two angles are not vertical angles, then the two angles are not congruent.

Question

Updated 12/24/2014 7:07:25 PM

1 Answer/Comment

If two angles are vertical angles, then they are congruent. If two angles are congruent, then their measures are equal. The following that is valid, based on deductive reasoning is: If two angles are vertical angles, then their measures are equal.

Added 12/24/2014 7:07:25 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [12/25/2014 10:23:20 PM]

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