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Pre-Calculus

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The side of a rhombus is 15 centimeters long, and the length of its longer diagonal is 24.6 centimeters. Find the area.

  • Pre-Calculus - ,

    The diagonals in a rhombus right-bisect each other, giving you 4 identical right-angled triangles

    look at one of them, the hypotenuse would be 15 and the other side is 12.3 , half the diagonal given.

    Can you find the missing side using Pythagoras?

    Find the area of one of the triangles , then multiply by 4

  • Pre-Calculus - ,

    211.6 units squared

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