3 years ago

Which description does NOT guarantee that a quadrilateral is a square?

Mathematics

1 answer:

shutvik [7]3 years ago

3 0

A. Is your answer because it’s doesn’t go that in-depth in the answer.
Hope I helped

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Please help, thanks.

Svetllana [295]

$\text{Apply Pythagorean theorem,}\\ \\~~~~~~12^2 = 3^2 + h^2\\\\\implies h^2 = 12^2 -3^2\\\\\implies h^2 = 144-9\\\\\implies h^2 = 135\\\\\implies h = \sqrt{135}\\\\\implies h = 3\sqrt{15}\\\\\implies h \approx 11.62$

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2 years ago

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Write an equation of the line that passes through (2,-3) and is perpendicular to the line y=-2x-3

Alina [70]

Answer:

y = 1/2 x - 4

Step-by-step explanation:

slope of perpendicular line is 1/2

y +3 = 1/2 (x -2)

y + 3 = 1/2x - 1

y = 1/2x - 4

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3 years ago

What's 9+10?<br><br><br>(this sentence is here so I can ask this question)

kow [346]

Answer:

9 + 10 = 19

Step-by-step explanation:

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2 years ago

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PLEASE HELP ME ASAPPPPP

tester [92]

Answer:

One solution

Step-by-step explanation:

Move variables to one side and constants to the other.

x-4y=-1

2x+8y=8 Divide this by 2

x+4y=4

Add the equations

2x=-3

x=-1.5

y=-1/8

5 0

3 years ago

If 100 students are surveyed, about how many students own 2 or more pets? Explain. Problem: 9/20x100 Please tell me how to get t

maria [59]

Answer:

Step-by-step explanation:

20 goes into 100 5 times so then you tka e the 9 and x 5 and you get 45

8 0

2 years ago