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Right Triangles and Trigonometry

SAT Math· difficulty 3/5

In right triangle, the angle is 30°30° and the hypotenuse is 1010. What is the length of the side opposite the 30°30° angle?

  • A

    535\sqrt{3}

  • B

    55

    check_circle
  • C

    1010

  • D

    103\frac{10}{\sqrt{3}}

Explanation

Opposite =10sin⁡30°=10⋅12=5=10\sin 30°=10\cdot\frac{1}{2}=5.

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