Контрольные задания > Calculate the areas of these geometric figures. Express them in m2. List the parallelogram numbers in order of increasing area and indicate their areas.
Вопрос:

Calculate the areas of these geometric figures. Express them in m<sup>2</sup>. List the parallelogram numbers in order of increasing area and indicate their areas.

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Ответ:

Solution:

  • Parallelogram 1: side a = 15 m, height h = 13 m. Area S = a * h = 15 m * 13 m = 195 m2.
  • Parallelogram 2: side a = 15 cm, height h = 12 m. First, convert 15 cm to meters: 15 cm = 0.15 m. Area S = a * h = 0.15 m * 12 m = 1.8 m2.
  • Parallelogram 3: side a = 13 dm, height h = 15 cm. Convert 13 dm to meters: 13 dm = 1.3 m. Convert 15 cm to meters: 15 cm = 0.15 m. Area S = a * h = 1.3 m * 0.15 m = 0.195 m2.

Areas in increasing order:

  • Parallelogram 3: S = 0.195 m2
  • Parallelogram 2: S = 1.8 m2
  • Parallelogram 1: S = 195 m2

Final Answer: The areas in increasing order are: Parallelogram 3 (0.195 m2), Parallelogram 2 (1.8 m2), Parallelogram 1 (195 m2).

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