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labwork [276]
3 years ago
9

Help would be much appreciated:))

Mathematics
1 answer:
Firdavs [7]3 years ago
8 0
Use SOH CAH TOA
Sin(61)=x/7
X=sin(61)(7)
X=6.12
6.12^2+b^2=7^2
32.48+b^2=49
B=16.5

Sin(66.7)=8/x
Sin(66.7)x=8
X=8/sin(66.7)
X=8.7
A^2+8^2=8.71^2
A^2+64=75.86
A^2=11.86
A=3.4
To get the perimeter you just add all of the side lengths together, hope this helped:))
(Please correct me if you see any errors)
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Which of the following statements is TRUE about rectangle ABDC.
Leokris [45]

The statement that is TRUE of the rectangle is AB + BD > AD. Option A

<h3>Facts about the rectangle</h3>

WE have that a diagonal divides the rectangle into two equal triangles

line AD is the length of the diagonal

With the diagonal drawn, we have

AD = hypotenuse

AB  and BD are the two other sides

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Thus, the statement that is TRUE is AB + BD > AD. Option A

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Which of the following statements is TRUE about rectangle ABDC.

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brainly.com/question/23008020

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2 years ago
Evaluate the expression for c = 6/7, 54/21 divided by c
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This is how i worked it out.
Good Luck

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4 years ago
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Plez halppp mehh ;-;
Ymorist [56]
1) False
2) True
3) True.


You can see for number one the angles are not the same, therefore they are not equal to eachother.

For two, because the line EC is running flat it is equal to 180. Because their is a little box on the other side of 1 & 2, we know that is equivalent to 90 degrees. Therefore the other side (1 &2) HAS to be 90, because the line in which they are on is 180, 90+ 90 = 180.


3, The same type of math for #2
7 0
3 years ago
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