5. A window has the shape of a rectangle with a right isosceles triangle on top....

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5. A window has the shape of a rectangle with a right isosceles triangle on top. If the area of the window is to be 2 3m, what dimensions of the rectangle and triangle will minimize the perimeter of the window? Round your answers to the nearest tenth of a metre. [ /3] x 6. A trough for holding water is formed by taking a piece of sheet metal 60 cm wide and folding the 20 cm on either end up as shown below. Determine the angle 0 that will maximize the amount of water that the trough can hold. 20 cm 20 cm 20 cm 5. A window has the shape of a rectangle with a right isosceles triangle on top. If the area of the window is to be 2 3m, what dimensions of the rectangle and triangle will minimize the perimeter of the window? Round your answers to the nearest tenth of a metre. [ /3] x 6. A trough for holding water is formed by taking a piece of sheet metal 60 cm wide and folding the 20 cm on either end up as shown below. Determine the angle 0 that will maximize the amount of water that the trough can hold. 20 cm 20 cm 20 cm