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Misha Larkins [42]
3 years ago
6

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre

ct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Complete the following proof. (Note: Your teacher has additional instructions on how to complete this problem, if needed.)

Prove: In an equilateral triangle the three medians are equal.

Mathematics
1 answer:
Bess [88]3 years ago
3 0
Hello,
Please, see the attached files.
Thanks. 

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For this case we can make the following rule of three:
 21 ------> 70%
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 Thus,
 21 is 70% of 30
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\text{Here,}\\\\\text{Opposite side,}~ O = 2\\\\\text{Hypotenuse,}~ H   = \sqrt 5 \\\\\text{Adjacent side,}~ A = \sqrt{5-4} = \sqrt 1  =1  ~~ ;[\text{By using Pythagorean theorem}]\\\\\\\sin \theta = \dfrac{O}H = \dfrac 2{\sqrt 5}\\\\\\\cos \theta = \dfrac{A}{H} = \dfrac{1}{\sqrt 5} \\ \\\\ \tan \theta = \dfrac{O}{A} = \dfrac 21 = 2

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Answer:

Step-by-step explanation:

Graph the parabola using the direction, vertex, focus, and axis of symmetry.

Direction: Opens Up

Vertex:  

(

1

,

−

2

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Focus:  

(

1

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−

23

12

)

Axis of Symmetry:  

x

=

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Directrix:  

y

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