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Lemur [1.5K]
3 years ago
12

Rectangles have two properties that are not included in the definition. The opposite sides of a rectangle are always of equal le

ngth, and the opposite sides of a rectangle are always parallel.Why can't these two properties define a rectangle? Chose the right answers.
A. A rhombus is also a quadrilateral whose opposite sides are parallel and equal in length.

B. The two opposite-side properties can be an alternate way to define a rectangle.

C. Only some rectangles have congruent and parallel opposite sides.

D. The two properties are biconditional, and a definition cannot be biconditional.
Mathematics
1 answer:
weqwewe [10]3 years ago
8 0
<span>D. The two properties are biconditional, and a definition cannot be biconditional.

Hope this helps!</span>
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A quadrilateral has angles measuring 105°,80°and 45°.What is the measure of the fouth angle?​
valentina_108 [34]

The measurement of fourth angle is: 130°

Further explanation:

Let A, B, C and D be the four angles.

m∠A=105°

m∠B=80°

m∠C=45°

We know that the sum of interior angles of a quadrilateral is 360°

So,

m∠A+m∠B+m∠C+m∠D=360°

105°+80°+45°+m∠D=360°

230°+m∠D=360°

m∠D=360°-230°

m∠D=130°

The measurement of fourth angle is: 130°

Keywords: Quadrilateral, Interior angles

Learn more about quadrilateral at:

  • brainly.com/question/5528742
  • brainly.com/question/5527192

#LearnwithBrainly

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2 years ago
Simplify the fraction 20/24 to lowest term.
arsen [322]
The lowest term for 20/24 is 5/6
4 0
2 years ago
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Students reported volunteering at the animal shelter during the last 6 months for 25, 36, 31, and 32 hours. What is the mean abs
Dima020 [189]
31 is the answer because if you add all the numbers and then divide by the number of
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2 years ago
Solve for the variable using Trig ratio.
SIZIF [17.4K]

Answer:

x = 3.86

a = 5.86

Step-by-step explanation:

From the triangles attached,

By applying cosine rule in triangle 1,

cos(50)° = \frac{\text{Adjacent side}}{\text{Hypotenuse}}

cos(50)° = \frac{x}{6}

x = 6cos(50)°

x = 3.86

Now we apply sine rule in the second triangle,

sin(23)° = \frac{\text{Opposite side}}{\text{Hypotenuse}}

sin(23)° = \frac{a}{15}

a = 15sin(23)°

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3 years ago
The Fergusons want to install a new tile floor in their kitchen. The kitchen is in the shape of a rectangle and is 9 feet by 12
olga_2 [115]

Answer:

27 tiles

Step-by-step explanation:

First, find the total area of the kitchen.

Use the area formula, A = lw

A = lw

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A = lw

A = (2)(2)

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So, the area of one square tile is 4 sq ft

Find how many tiles they will need to buy by dividing the total area by the area of one tile:

108/4

= 27

So, they will need to buy 27 tiles

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2 years ago
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