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A scale drawing is an enlarged or reduced drawing of an object that is similar to an actual object.
Maps and floor plans are smaller than the actual size. A scale drawing of an ant is larger than the actual ant.
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A ratio is a comparison of the size of one number or line segment to the size of another number or line segment. What if we wanted to quadruple the size of this 2”x 3” rectangle? What math operation would you use? 2” 3” 8” ? 12” ?
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F-16 Fighting Falcon
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Turn your paper so the long edge is closest to you. (landscape)
Find the center of the left-hand edge on the short side by matching the 2 corners of the left side. Make a small crease about 1” long, along the fold on that left-hand side. Open the paper. Along the crease, from the left-hand side, measure one inch to the right landing your pencil at the intersection of the crease and a vertical line. Make a point and label it A. In order to create a 1:2 scale drawing, you will need to double every measurement from the original diagram for your graph paper drawing.
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Find points A and B on the diagram. Measure the distance from A to B
Find points A and B on the diagram. Measure the distance from A to B. On your graph paper, multiply this distance by 2 and place point B. Measure the distance between points B and C on the diagram. Make the correct calculations and place point C on your drawing. Find points C and CC. Measure the distance and place point CC. Connect C to CC. Measure the distance from C to D. Place D on your drawing. Measure the distance from C to E. Place E on your drawing. Connect D to E, using your ruler as a straight-edge.
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Measuring from point B, find and place points F and G, then points H and I, on your drawing Connect F to H, and G to I. Find and place points H to J – connect. Find and place points I to K – connect. Find and place points L and M. To do this, measure from L to H and M to I. This distance between these two points is the same.
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Measure from point B to point N. Place point N on your drawing. Use N to measure and place points O and P. Connect O to D and P to E using your ruler as a straight edge. Connect points L to O and M to P. No measurement is required, just your straight edge. Measure from point B to point Q. Place point Q on your drawing. Use Q to measure and place points R and S. Connect points R to F and S to G using your ruler as a straight edge. Measure from point B to point T. Place point T on your drawing. Use T to measure and place points U and V. Connect U to R and V to S.
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Find and place point W, X and Y.
Find and place point W, X and Y. Connect point X to U and Y to V. Connect X to Y. Find and place point AA and connect to point A. Connect point A to X and A to Y using straightedge. Connect U to line FH, and connect V to line G
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