geometry

FIND THE PERIMETER AND AREA OF A RIGHT IF THE SHORTEST SIDE IS 20MM. AND THE LONGEST SIDE IS 52MM. INCLUDE CORRECT UNITS WITH EACH PART OF YOUR SOLUTION.

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  1. Is this a right TRIANGLE?

    If it is, I'll be glad to help you.

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    Ms. Sue
  2. YES

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  3. First, we need to determine the length of the third side by using the Pythagorean Theorem.

    a^2 + b^2 = c^2

    20^2 + b^2 = 52^2
    400 + b^2 = 2704
    b^2 = 2304
    b = 48

    The perimeter is the sum of the three sides.
    20 + 48 + 52 = P

    The area is found by using this formula:
    A = 1/2 * b * h

    A = (1/2) * 20 * 48

    A = ________sq. mm.

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    Ms. Sue

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