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triangle: base, 8.2 meters; height, 4.6 meters

11. triangle: base, 88.22 meters; height, 44.66 meters

Full solution

Q. 11. triangle: base, 88.22 meters; height, 44.66 meters
  1. Use formula: To find the area of a triangle, use the formula: Area=base×height2\text{Area} = \frac{\text{base} \times \text{height}}{2}.
  2. Plug values: Plug in the given values: Area=8.2meters×4.6meters2\text{Area} = \frac{8.2 \, \text{meters} \times 4.6 \, \text{meters}}{2}.
  3. Perform multiplication: Perform the multiplication: Area=37.72 square meters2\text{Area} = \frac{37.72 \text{ square meters}}{2}.
  4. Divide to find area: Divide by 22 to find the area: Area=18.86 square meters.\text{Area} = 18.86 \text{ square meters}.

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