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Alexxandr [17]
3 years ago
15

1. La medida del ángulo mayor de un tringulo es 4 veces la medida del segundo

Spanish
1 answer:
Vaselesa [24]3 years ago
4 0

Answer:

La medida de los tres ángulos es:

10°,  34°,   136°

Explanation:

Consideración:

Los ángulos internos de un triángulo suman 180°

Planteamiento:

a + b + c = 180

c = 4b

a = 10

a = medida del ángulo menor

b = medida del ángulo intermedio (segundo mayor)

c = medida del ángulo mayor:

Desarrollo:

sustituyendo los valores de la segunda y tercer ecuaciones del planteamiento en la primer ecuación del planteamiento:

10 + b + 4b = 180

5b = 180 - 10

5b = 170

b = 170/5

b = 34°

c = 4b

c = 4*34

c = 136°

Comprobación:

a+b+c = 180°

10° + 34° + 136° = 180°

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