Matemática Flashcards

1
Q

(a+b)²= fórmula

A

a² + 2ab + b²

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2
Q

(a-b)²= fórmula

A

a² - 2ab - b²

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3
Q

(a+b) . (a-b) = fórmula l

A

=a² - b²

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4
Q

Oque são ângulos congruentes?

A

São ângulos iguais

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5
Q

Oque é um ângulo agudo?

A

=90°

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6
Q

Oque é um anglo obtuso?

A

=180

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7
Q

X+Y=90°
Sao Ângulos…?

A

Complementares

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8
Q

X+Y= 180°
São ângulos…?

A

Suplementares

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9
Q

Qual é a condição de existência do triângulo

A

O lado oposto é menor que a soma dos lados adjacentes
a < b+c

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