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grin007 [14]
2 years ago
13

https://brainly.com/invite/1372961f4a199e62aecb9d70886eea5e?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_

feed&utm_term=parent
Mathematics
2 answers:
GuDViN [60]2 years ago
5 0

Answer:

Hey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/2099770b7584abe3cd3aecb2806a1bf5?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parentHey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/2099770b7584abe3cd3aecb2806a1bf5?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parentHey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/2099770b7584abe3cd3aecb2806a1bf5?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parentHey, wanna pair our account on Brainly so we can share the perks? brainly.com/invite/2099770b7584abe3cd3aecb2806a1bf5?utm_source=invite&utm_medium=link&utm_campaign=bfp_parental_feed&utm_term=parent

Step-by-step explanation:

Serjik [45]2 years ago
3 0

Answer:

....

Step-by-step explanation:

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telo118 [61]

Answer:

It is 20

Step-by-step explanation:

Use your fingers if necessary

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What is the sum of interior angels of an octagonal box?
Gala2k [10]
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3 years ago
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Geometry help! Please prove the following is a square with full explanation, I'm really lost.
Hoochie [10]

We have to show that this is a square, meaning all the sides are perpendicular and the same distance.  

A(3,4), B(2,-2), C(-4,-1), D(-3,5)

For each side we calculate the squared distance and the slope.  We don't have to bother to take the square root.  We'll subtract the points first because that difference, called the direction vector, goes into both the calculation of the slope and of the distance.

AB=B-A=(2 - 3, -2 - 4) = (-1, -6).   slope=-6/-1=6  AB²=(-1)²+(-6)²=37

BC=C-B=(-6, 1).  slope=1/-6=-1/6.   BC²=(-6)²+1²

CD=D-C=(1, 6).   slope=6/1=6    CD²=1²+6²=37

DA=A-D=(6,-1)   slope=-1/6     DA²=37

We see the negative reciprocal slopes, alternating between 6 and -1/6, indicating perpendicular sides.  We see they all have squared distance 37.  Equal perpendicular sides proves its a square.

If we do these problems enough we learn:  There's no point taking the square root.  In fact, there's really no point computing the slopes and the squared distances; we can see it's a square from the pattern of the direction vectors of the sides:  (-1, -6) (-6, 1) (1, 6) (6,-1)

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LMNP is a rectangle. Find the value of x and the length of each diagonal LN= 4x + 13 and MP=9x - 7​
Volgvan

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5/3

Step-by-step explanation:

Since the given figure is a rectangle with congruent diagonals and thus equal lengths, you can use the expressions for the diagonal lengths, set them equal, and solve the equation for x.

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2 years ago
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