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Kaylis [27]
3 years ago
13

Which triangle has all three angle measuring less than 90°

Mathematics
1 answer:
seropon [69]3 years ago
4 0
Acute triangle because all the angles are less than 90
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Answer:

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Supongamos que el primer número entero positivo es a tal que a ∈ Z⁺.

Luego, el conjunto de los cinco enteros positivos se puede expresar como

A = {a; a+1; a+2; a+3; a+4}

Dada la condición del problema, se debe cumplir que

a + (a+1) + (a+2) = (a+3) + (a+4)

⇒  3a + 3 = 2a + 7

Resolviendo la ecuación resulta

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Luego, el conjunto A nos resulta

A = {4; 5; 6; 7; 8}

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