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Dmitry [639]
3 years ago
12

Which of the following statements is false?

Mathematics
2 answers:
kenny6666 [7]3 years ago
6 0

Answer:

A). True

B). False

C). True

D). True

Step-by-step explanation:

A).Quadrilateral means any polygon with four sides or four edges. Hence a     square is a regular quadrilateral with four equal sides or edges.

B). Given any quadrilateral ABCD, BC and CD are adjacent and not BC and AD.

C). A rectangle is an equiangular quadrilateral. Equiangular means having equal angles. Rectangle have all the angles equal of 90 degree. Other example of equiangular quadrilateral is a square.

D). By theorem of parallelogram, if a quadrilateral is a parallelogram, then it has two sets of opposite sides congruent.

nikklg [1K]3 years ago
4 0

Answer:

B. Given quadrilateral ABCD, BC⎯⎯⎯⎯⎯⎯⎯⎯ and AD⎯⎯⎯⎯⎯⎯⎯⎯ are adjacent

Step-by-step explanation:

A. A square has 4 congruent sides and 4 congruent angles, so it is a regular polygon. True.

B. Draw the quadrilateral and label the vertices in the order shown. Given quadrilateral ABCD, BC and AD are opposite sides, not adjacent sides. False.

C. All angles of a rectangle are right angles that measure 90 degrees. True.

D. True by a theorem.

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Answer:

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Step-by-step explanation:

we know that

The <u>Triangle Inequality Theorem</u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side

In this problem

If the perimeter of triangle is equal to 36 cm

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The student is incorrect

Because if the longest side is equal to 18 cm, and the perimeter is equal to 36 cm, then the sum of the other two sides is equal to 18 cm

and

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we have that

if c=18 cm

a+b > c

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therefore

If the longest side is 18 cm, the sum of the other two sides must be greater than 18 cm and the perimeter will be greater than 36 cm

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