Calculate the perimeter of a wall in a classroom where the length is 10m and the height of the wall is 3 m. Computer desk has a length of 70cm and a breadth of 40cm. Work out the perimeter of a wall in a Computer classroom is 15m.How many computers desks can be placed side by side along the wall?

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A: Using the formula- n-2n×180° where n is number of sides of polygon

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A: Recall: Area of the rectangle: l(length)×b(breadth)

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A: Formula for perimeter of rectangle;       Perimeter=2(Length+Width)

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A: Question is solved.

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A: Given, base = 28 cm height = 24.5 cm

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A: I have provided an answer to this question in step-2

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Q: A homeowner hires a mason to lay a brick border around a rectangular patio that measures 8 ft by 10…

A: Given, A homeowner hires a mason to lay a brick border around a rectangular patio that measures 8 ft…

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A: Let us consider the square of side s then Perimeter of the square =4 x sArea of square = s2 Side of…

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A: Given that Perimeter of ⏥STOP is 54 cm. Let SP¯=x cm then ST¯=x+1 cm For parallelogram.…

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Q: A square has an area of 25cm square. What is the length of each side?

A: let the length of each side of a square is a cm area of square =a225=a2