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katovenus [111]
1 year ago
6

En un triángulo rectángulo, un ángulo exterior mide 120. ¿Cuánto miden los ángulos

Mathematics
1 answer:
Oxana [17]1 year ago
4 0

Basado en la existencia de un triángulo <em>rectángulo</em> y la relación entre ángulos <em>externos</em> e <em>internos</em>, se tiene que las medidas de los ángulos <em>internos</em> son 60° y 30°, respectivamente.

<h3>¿Cómo determinar a partir de un ángulo externo los ángulos internos de un triángulo rectángulo?</h3>

Un triángulo <em>rectángulo</em> es un triángulo que contiene un ángulo <em>recto</em> y dos ángulos <em>agudos</em> como ángulos <em>internos</em>. Por otra parte, la suma del ángulo <em>externo</em> y el ángulo <em>interno</em> contiguo son ángulos <em>suplementarios</em>. Dos ángulos <em>suplementarios</em> son aquellos cuya suma es igual a 180°.

De acuerdo con el enunciado, el ángulo <em>externo</em> es un ángulo <em>obtuso</em> y, en consecuencia, el ángulo <em>interno contiguo</em> es un ángulo <em>agudo</em>. A continuación, emprendemos los cálculos requeridos:

m ∠A = 180 - m ∠A'

m ∠A = 180° - 120°

m ∠A = 60°

m ∠B = 90°

m ∠C = 180° - m ∠B - m ∠A

m ∠C = 180° - 90° - 60°

m ∠C = 30°

Basado en la existencia de un triángulo <em>rectángulo</em> y la relación entre ángulos <em>externos</em> e <em>internos</em>, se tiene que las medidas de los ángulos <em>internos</em> son 60° y 30°, respectivamente.

Para aprender más sobre ángulos externos: brainly.com/question/21357517

#SPJ1

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The percentage of winning if 20 winning numbers are randomly selected from numbers 1 to 80 is 12.48%.

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5 0
1 year ago
Write a function to represent the set of ordered pairs.<br> {(2, 2), (3,7). (4, 14), (5,23)}
MrMuchimi

Answer:

Step-by-step explanation:

The set of ordered pairs {(1 , 7) , (−1 , 7) , (8 , −6) , (−3 , 2)} is a function

The set of ordered pairs {(4 , 7) , (−1 , 2) , (4 , −6) , (−3 , −2)} is not a

function

The set of ordered pairs {(3 , 7) , (−1 , 2) , (−4 , −2) , (−3 , −2)} is a function

The set of ordered pairs {(−3 , 7) , (1 , 2) , (4 ,−2) , (12,−4)} is a function

An ordered pair represents a relationship between two values

The first value is the input the second value is the output

1. A relation is a set of inputs and outputs

2. A function is a relation with one output for each input

3. All functions are relations

{(1 , 7) , (−1 , 7) , (8 , −6) , (−3 , 2)}

∵ Each x-coordinate in each ordered pair has only one y-coordinate

∴ The relation above is a function

The set of ordered pairs {(1 , 7) , (−1 , 7) , (8 , −6) , (−3 , 2)} is a function

{(4 , 7) , (−1 , 2) , (4 , −6) , (−3 , −2)}

∵ The x-coordinate 4 has two values of y (7 and -6)

∴ The relation above is not a function

The set of ordered pairs {(4 , 7) , (−1 , 2) , (4 , −6) , (−3 , −2)} is not a

function

{(3 , 7) , (−1 , 2) , (−4 , −2) , (−3 , −2)}

∵ Each x-coordinate in each ordered pair has only one y-coordinate

∴ The relation above is a function

The set of ordered pairs {(3 , 7) , (−1 , 2) , (−4 , −2) , (−3 , −2)} is a function

{(−3 , 7) , (1 , 2) , (4 ,−2) , (12,−4)}

∵ Each x-coordinate in each ordered pair has only one y-coordinate

∴ The relation above is a function

The set of ordered pairs {(−3 , 7) , (1 , 2) , (4 ,−2) , (12,−4)} is a function

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