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Sergeu [11.5K]
3 years ago
15

I'm so incredibly confused on this. I will give brainliest for the correct answer.

Mathematics
1 answer:
o-na [289]3 years ago
4 0
Hey!!

here is your answer >>>

The interior angle A measures 77°

The exterior angle measures 130°

The sum of angles A and B is 130°

Yes, it's true, this a property of the triangle, the last question is 'true'

Hope my answer helps!
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PLEASE HELP
Marat540 [252]

Answer:

Triangle DEF is a right, scalene triangle. It is not isosceles, obtuse, acute, or equilateral

Step-by-step explanation:

All we know about m and n are that they are not equal to each other and they are positive. This was given in the problem. See image. Once it is graphed you can see on the graph the lengths of DE and EF. Use Pythagorean theorem to calculate DF. see image.

DE is horizontal and EF is vertical, so you can see their slopes or calculate using a formula. Calculate the slope of DF. Slope is y-y on top of a fraction and x-x on the bottom of the fraction.

Lastly, use midpoint formula to find the midpoints. Average the x's and average the y's to find the x- and y-coordinates of the midpoints. See image.

Finally, DEF is a right triangle. The graph as well as the slopes show us that DE and EF form a right angle. So DEF must be a right triangle (and not obtuse nor acute) We were told that m doesNOT equal n, so the triangle cannot have two equal sides, so it cannot be isosceles (2 equal sides) nor equilateral (3 equal sides) It has 3 different lengths of sides; that is called scalene.

4 0
2 years ago
Simply the fraction 16/24
stepladder [879]
2/3 because you can divide the top and bottom by 8
5 0
3 years ago
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Which expressions are perfect cubes?<br> -1,000<br> 0 2721<br> 343p<br> O n30<br> ebo...<br> -1
Vikki [24]

Answer: -1000, 27r^21, g^3h^30, and -1

Step-by-step explanation:

4 0
3 years ago
Use the information in the table to answer the question. A 3-column table has 1 row. The first column is labeled Species with en
Ugo [173]

Answer:

94% so C

Step-by-step explanation:

I did the assignment

Hope it helps

7 0
3 years ago
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Which has the least absolute value?<br>A. 5<br>B. 30<br>C. -10<br>D. -50
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Absolute value means the total distance from zero. So you get rid of any negative signs and then look at which number has the lowest value (which is the smallest number without any negative signs).
7 0
3 years ago
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