Each blade on a windmill is in the shape of a triangle with a base of 7 feet and a height of 4 feet if there are four blades on the winmail what is the total area of the blades

Given is the shape of a triangle with base = 7 feet and height = 4 feet.

We know the formula for area of triangle is given as follows :-

So, the area of a blade is 14 squared feet.

There are four blades on wind mill. Then area of all four blades would be 4 times 14.

Hence, total area of all four blades = 4 x 14 = 56 squared feet.

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