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The scale of a drawing is usually stated as a ratio. For example, 1 \, cm \, \text{:} \, 5 \, m. You would read this as “ 1 centimeter to 5 meters” which means that every 1 centimeter on the diagram represents 5 meters in real life.
The scale drawing length of 4 centimetres represents the corresponding length of 5 metres on the real object. Work out the scale that has been used and write it in its simplest form. Write...
(a) The scale on a diagram is such that 2 cm represent 1 m. What lengths do 6 cm, 0.2 cm, 3 cm, 3.6 cm and 0.5 cm represent? (b) A window is 2.3 m wide and 1.4 m high. Draw a scale diagram of the window, using a scale in which 2 cm represent 1 m.
Find the perimeter and the area of the computer chip in the scale drawing. When measured using a centimeter ruler, the scale drawing of the computer chip has a side length of 4 centimeters. So, the perimeter of the computer chip in the scale drawing is 4(4) 16 centimeters, and the area = is 42 16 square centimeters. =.
A scale that might be used is \(1\,cm\) represents \(1\,m\). This means that on the scale drawing every metre of real life measurement is represented by a line of 1 centimetre.
In this lesson, they extend this work in two ways: They compare areas of scale drawings of the same object with different scales. They examine how much area, on the actual object, is represented by 1 square centimeter on the scale drawing. For example, if the scale is 1 cm to 50 m, then 1 cm\(^2\) represents \(50\cdot50\), or 2,500 m\(^2\).
15 sie 2020 · In the first scale drawing, 1 cm represented 90 m. In the new drawing, we would need 3 cm to represent 90 m. That means each length in the new scale drawing should be 3 times as long as it was in the original drawing.
