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ivanzaharov [21]
3 years ago
9

HELP!!!! 60 POINTS to whoever does this (geometry proof)

Mathematics
1 answer:
ASHA 777 [7]3 years ago
6 0

Answer:

A) This is correct. The angles of <em>AEB </em>are the angles of <em>DEC. </em>This means that this is true.

B) This is incorrect. This triangle is NOT an isosceles triangle. The angles of an isosceles triangle are supposed to be about 36° for the top angle, and 72° for the other two angles. (At least this is what I was told)

Hope this helps :)

-wait. .___. they both might be true.

According to G oogle: "All the three angles situated within the isosceles triangle are acute, which signifies that the angles are less than 90°. The sum of three angles of an isosceles triangle is always 180°, which means we can find out the third angle of a triangle if the two angles of an isosceles triangle are known."

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EFV and EDW are straight lines.<br>Find the value of x and of y.​
Makovka662 [10]

Answers:

x = 72

y = 83

============================================================

Explanation:

Angle VFG is 50 degrees. The angle adjacent to this is angle EFG which is 180-50 = 130 degrees.

Angle HDW is 77 degrees. The supplementary angle adjacent to this is 180-77 = 103 degrees which is angle EDH.

Pentagon EFGHD has the following five interior angles

  • E = x
  • F = 130
  • G = 170
  • H = 65
  • D = 103

Note that angles F = 130 and D = 103 were angles EFG and EDH we calculated earlier.

For any pentagon, the interior angles always add to 180(n-2) = 180(5-2) = 180*3 = 540 degrees.

This means,

E+F+G+H+D = 540

x+130+170+65+103 = 540

x+468 = 540

x = 72

---------------------------------------

Now focus your attention on triangle THS

We see that the interior angles are

  • T = y
  • H = 65
  • S = 32

The angle H is 65 degrees because it's paired with the other 65 degree angle shown. They are vertical angles.

For any triangle, the angles always add to 180

T+H+S = 180

y+65+32 = 180

y+97 = 180

y = 180-97

y = 83

7 0
2 years ago
Explain the process for finding the product of two integers.
inessss [21]
Multiply them together. The product is the answer of a multiplication process.
4 0
3 years ago
Name a decimal between 0.4 and 0.5
Aliun [14]

To find a number between both decimals, what you can do is take the average of both numbers.

We have then:

average = \frac{0.4+0.5}{2}

Rewriting we have:

average = \frac{0.9}{2} \\average = 0.45

Therefore, the decimal obtained is a number between 0.4 and 0.5

Answer:

a decimal between 0.4 and 0.5 is:

average = 0.45

6 0
3 years ago
Read 2 more answers
Jack plays on a basketball team after school third day of the month he babysits every seventh day of the month how many times du
Alex787 [66]
Great question!
If you draw a calendar see attachment for mine.you will see that the dates for Basketball are 
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7,14,21,28

There would only be a conflict on the 21st! So the answer is 1 time! 

4 0
3 years ago
Which number produces an irrational number when added to 0.4
gtnhenbr [62]
You didn't provide answer choices, but since 0.4=4/10 is rational, adding any irrational value to it will produce and irrational sum.

An irrational number is any number which can not be expressed as a fraction of two integers.
5 0
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