What is the easiest to understand formula for solving 30 60 90 special right triangles?

Mathematics

1 answer:

Marianna [84]3 years ago

7 0

Step-by-step explanation:

30°, 60°, 90° triangle theorem states that:

Lengths of the side opposite to 60° angle is equal to root 3 upon two times of the length of hypotenuse and side opposite to 30° angle is equal to 1 upon two times of the length of hypotenuse.

Mathematically it can be expressed as:

$Length \: of \: sides \: opposite \: to \: 60 \degree \: \\ angle \\ = \frac{ \sqrt{3} }{ {2} } \times length \: of \: hypotenuse.\\\\Length \: of \: sides \: opposite \: to \: 30 \degree \: \\ angle \\ = \frac{1}{ {2} } \times length \: of \: hypotenuse.\\\\$

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What is the equation to (-3,1) and (0,-8)

puteri [66]

The change in x between the two is 3 and the change in y is -9.
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4 0

3 years ago

PLEASE ANSWER ASAP!!!!! DONT NEED much explanation How many solutions does this system have? (photo below)

Tema [17]

Answer:

infinite solutions

Step-by-step explanation:

Multiply the first equation by 2

2(3x-5y) = 2*15

6x - 10y = 30

This is the same as the second equation

They are the same line