Heather recorded the weight of her cat Sally for the past ten months. She is going to the vet this month. She is predicting that
the cat's weight will be close to the mean of her data. About how much is she predicting that Sally will weigh?
1 answer:
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We know the width of the rectangle in the middle of the trapezoid is 24 (from the top of the image), so we can subtract that from the bottom width of the trapezoid to get the combined length of the bottom of both triangles.
Since this is an isosceles trapezoid, both triangle bases are the same length, so we can cut this value in half to get the length of and
Finally, we can use the Pythagorean Theorem to find the length of :