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Studentka2010 [4]
3 years ago
9

Are parallelograms always squares.

Mathematics
1 answer:
DerKrebs [107]3 years ago
5 0
A parallelogram<span> is a four-sided figure with two sets of parallel sides. This is </span>always true<span>. </span>Squares<span> are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides. </span>Parallelograms<span> are quadrilaterals with two sets of parallel sides.</span>
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I don't understand stand this​
yanalaym [24]

Step-by-step explanation:

step 1. ABCD is an isosceles trapezoid because AD and BC are parallel, AB and CD are congruent

step 2. x = 56° (definition of an isosceles trapezoid)

step 3. x + y + z + 56 = 360 (definition of a quadrilateral)

step 4. y = z (definition of an isosceles trapezoid)

step 5. 56 + 2y + 56 = 360

step 6. 2y = 248

step 7. y = 124°, z = 124°.

6 0
2 years ago
How do you do this the test is tomorrow and I forgot how to do this?
MrRa [10]
Some things you need to know:

1) You need to know how to convert standard form to slope y-int. form and slope y-int. form to standard form.

2) When two lines are parallel, the slopes are the same.

3) When two lines are perpendicular, the slopes are negative reciprocals of each other. (Or their product is -1)
    example: 3/4 --> -4/3.
                    3/4 * -4/3 = -12/12 = -1

4) To find the value of b, substitute the point into the equation.

5) Convert the equation to slope y-int. form to find the slope.

6) When a line has an undefined slope, the slope y-int. will look either like
    y = __ (forms horizontal line) or x = __ (forms vertical line).
    To find the perpendicular of these lines, turn y to x / x to y.
    To find the value of __, look at the point located in the line, so if x = ___
    passes through (5,3), then x = 5 because x = 5 in the point. So the
    equation would be x = 5.

Use online practice tests and other sources if you don't understand.
5 0
3 years ago
Linear Function
monitta
B because x is the independent variable; you could choose any number for x
3 0
3 years ago
Read 2 more answers
Please Help i got a Test Tommaro Thank u!
pentagon [3]

Answer:

The length is 39.6 feet.

Step-by-step explanation:

Since the area is lw, we make this an equation. The width is already known, it's 26.2. So make a single variable equation: 26.2w=1037.52

dividing both sides by 26.2 gives you the answer of 39.6.

Hope this helps!

7 0
3 years ago
Read 2 more answers
Find the solution of the system of equations.
Katyanochek1 [597]

Answer:

x = -5

y = -1

Step-by-step explanation:

here's the solution :-

  • subtracting equation 1 from equation 2 we get,

=》-8x - 4y + 8x - 6y = 44 - 34

=》-10y = 10

=》y = -1

plugging the value of y in equation 2 we get :-

=》-8x - 4y = 44

=》-8x - (4 × -1) = 44

=》-8x + 4 = 44

=》x = 40 ÷ -8

=》x = -5

8 0
3 years ago
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