Question

Лісова ділянка прямокутної форми має довжину 80 м, а ширину - 50 м. 3/4 площі займають берези, а решту- ялини. Яку площу лісової ділянки займають ялини?​

Answer 1

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Answer 2

Calculation of the Area Occupied by Spruces

To calculate the area occupied by spruces on the rectangular forest plot, we need to determine the total area of the plot and then subtract the area occupied by birches.

Given: - Length of the rectangular plot = 80 m - Width of the rectangular plot = 50 m

To find the total area of the plot, we can use the formula for the area of a rectangle: Area = Length × Width.

Substituting the given values, we have: - Length = 80 m - Width = 50 m

Area of the plot = 80 m × 50 m = 4000 square meters.

Now, we know that 3/4 of the total area is occupied by birches, and the remaining area is occupied by spruces.

To find the area occupied by spruces, we can multiply the total area of the plot by the fraction of the area occupied by spruces: - Area occupied by spruces = (1 - 3/4) × Area of the plot.

Substituting the values, we have: - Area occupied by spruces = (1 - 3/4) × 4000 square meters.

Simplifying the expression, we get: - Area occupied by spruces = (1/4) × 4000 square meters.

Calculating the result, we find: - Area occupied by spruces = 1000 square meters.

Therefore, the spruces occupy an area of 1000 square meters on the forest plot.