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bogdanovich [222]
3 years ago
13

If a quadrilateral has four congruent angles, it is a rectangle F or T?

Mathematics
2 answers:
Drupady [299]3 years ago
7 0
False Dont quote me though 
tiny-mole [99]3 years ago
6 0
All quadrilaterals have 360 degrees in all 4 angles added up. If all 4 angles are congruent, they must all be 90 degrees, making it a rectangle. So the answer is true.
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Okay so I need to know what 1 + 1 =?
Kobotan [32]

i know but yes i need to know it

4 0
3 years ago
Read 2 more answers
The line passes through (9,8) and is perpendicular to x-2y=-16
pickupchik [31]

The equation of line perpendicular to x-2y=-16 passing through (9,8) is: y=-2x+26

Step-by-step explanation:

Given

x-2y=-16\\Adding\ 2y\ on\ both\ sides\\x=2y-16\\Adding\ 16\ on\ both\ sides\\x+16=2y-16+16\\x+16=2y\\2y=x+16\\Dividing\ both\ sides\ by\ 2\\\frac{2y}{2}=\frac{x+16}{2}\\y=\frac{x}{2}+\frac{16}{2}\\y=\frac{1}{2}x+8\\

The equation is in slope-intercept form,  the coefficient of x will be the slope of given line. The slope is: 1/2

As the product of slopes of two perpendicular lines is -1.

\frac{1}{2}*m=-1\\m=-1*\frac{2}{1}\\m=-2

Slope intercept form is:

y=mx+b

Putting the value of slope

y=-2x+b

To find the value of b, putting (9,8) in the equation

8=-2(9)+b\\8=-18+b\\b=8+18\\b=26

Putting the values of b and m

y=-2x+26

Hence,

The equation of line perpendicular to x-2y=-16 passing through (9,8) is: y=-2x+26

Keywords: Equation of line, Slope-intercept form

Learn more about equation of line at:

  • brainly.com/question/1993757
  • brainly.com/question/2048256

#LearnwithBrainly

4 0
3 years ago
Which describes the slope of the line that passes through the points (2,5) and (-4,5)?
Stella [2.4K]
Negative because if you mark it on the graph they go in a downwards line which would be a negative slope on the graph :)
8 0
3 years ago
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Family bought 12 oranges from the market. However, one-fourth of these oranges were rotten. How many oranges were not rotten?
sashaice [31]

Answer:

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ones that weren't rotten = 12 - 3 = 9

4 0
3 years ago
3- An archaeologist descends 18 feet into a canyon, then climbs up 14 feet. 1 point
Lady_Fox [76]
4 feet.

Because 18-14 is 4
8 0
3 years ago
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