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AnnZ [28]
2 years ago
6

What is the value of x?

Mathematics
2 answers:
galina1969 [7]2 years ago
5 0

Answer:

23

Step-by-step explanation:

The given two triangles are congruent , by SSS congruence condition , therefore the corresponding sides will be equal .

=> x - 4 = 19

=> x = 19 + 4

=> x = 23

Taya2010 [7]2 years ago
3 0
The value of x is 23. The triangles are identical, so (x - 4) = 19. 23 - 4 = 19.

Hence, x = 23
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bixtya [17]

Answer:

AB=2\sqrt{ab}

Step-by-step explanation:

From figure,

OA=a,  \quad \quad O'B=b\\\Rightarrow OO'= (a+b) \quad \quad \text{and}\quad OD=(a-b)

In triangle OO'D

  (OO')^2=(OD)^2+(O' D)^2

\Rightarrow (a+b)^2=(a-b)^2+(O' D)^2\\\Rightarrow a^2+b^2+2ab-a^2-b^2+2ab=(O' D)^2\\\Rightarrow 4ab=(O' D)^2\\\Rightarrow O'D=2\sqrt{ab} \\\Rightarrow O' D=2\sqrt{ab}=AB \quad \quad [\because O' DAB\;\; \text{is a rectangle.}]

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6 0
3 years ago
The length of a rectangle is 5 yards more than the width x. The area is 592 yards squared.
omeli [17]

Answer:

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Step-by-step explanation:

4 0
3 years ago
Need some geometry help
GenaCL600 [577]
Check the picture below.

that means

angle AFB is 27 + 2 = 29

angle BFC is 2(27) + 12 = 66

and angle CFD is 2(27) or 54

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6 0
2 years ago
Find the following functior/ value to four significant figures: cot 8° 13'
sashaice [31]
Cot 8° 13'=cot(8+13/60)
=cot(8+.216......)
=cot8.216......
=cos/sin8.216......
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6 0
3 years ago
An angle whose measure is -405° is in
lara [203]

Answer:

Quadrant IV

Step-by-step explanation:

Given

\theta = -405^\circ

Required

The quadrant of the terminal side

To do this, we simply rotate the given angle in a clockwise direction.

A complete rotation is -360^\circ

So, we have:

\theta = -405^\circ

\theta = -360^\circ -45^\circ

Remove the complete rotation

\theta = -45^\circ

<em>When </em>45^\circ<em> is rotated in the clockwise direction, it stops at the 4th quadrant.</em>

<em>Hence, the terminal side falls in the quadrant IV</em>

<em></em>

8 0
2 years ago
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