30-60-90 & 45-45-90 Triangles

Descrição

ACT Math Quiz sobre 30-60-90 & 45-45-90 Triangles, criado por John Doaks em 13-03-2017.
John Doaks
Quiz por John Doaks, atualizado more than 1 year ago
John Doaks
Criado por John Doaks mais de 7 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which of the following answer choices indicates the correct side lengths of the figure?
Responda
  • Side opposite 45° = x √3, hypotenuse = 2x
  • Side opposite 45° = x, hypotenuse = x √2
  • Side opposite 45° = 2x, hypotenuse = x √2
  • Side opposite 45° = x √3, hypotenuse = x √2

Questão 2

Questão
Which of the following answer choices reflects logical reasoning regarding the sample question?
Responda
  • The missing angle is 65° and the missing side is 4. Therefore this is a 45°,45°,90° triangle.
  • The missing angle is 90° and the missing side is 5.
  • The missing angle is 55° and the missing side is x √3.
  • The missing angle is 45° and missing side is 5 √2. Therefore this is a 45°,45°,90° triangle.

Questão 3

Questão
How can an equilateral triangle be turned in to a "30, 60, 90" triangle?
Responda
  • By dividing the angles by the area
  • By dividing the perimeter by the area
  • By adding the angles together
  • By dropping an altitude down the middle

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