Download e-book for kindle: Amsco's Virginia: Preparing for the SOL Geometry Test by Lorenza Luster and Helen Benyard Luster
By Lorenza Luster and Helen Benyard Luster
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The aim of this e-book is to illustrate that complicated numbers and geometry should be mixed jointly fantastically. This ends up in effortless proofs and usual generalizations of many theorems in airplane geometry, resembling the Napoleon theorem, the Ptolemy-Euler theorem, the Simson theorem, and the Morley theorem.
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Extra info for Amsco's Virginia: Preparing for the SOL Geometry Test
A Step 2. T T Fold AB on top of AC until the folded edge passes through the point A. Crease the paper. C B A C B Step 3. Open the patty paper and inspect the angle. A C Result: The crease is the angle bisector of ЄBAC since it divides the given angle into two equal parts. Constructions with Compass and Straightedge—Working with Angles • 29 Model Problem 6 Given: ЄX. X Construct an angle congruent to ЄX. Straightedge and Compass: Step 1. T Draw a ray and label it AB. Step 2. Open the compass to a convenient radius.
The porch and the ground are parallel to each other. Which angle is congruent to the 70° angle? 5. The front door of a community center is in the shape of a rectangle. The Community Center 40° x Find the value of x. 6. 12 • Lines and Angles What is the value of x in the figure below? 50° 50° x 50° 7. The support of a water tower is constructed using shapes of rhombuses and triangles. Chesapeake, VA. x 120° Find the value of x in degrees. mЄF A Х AЈ For problems 1 and 2, use the figure below. 100°3 4 2 3.
The model problems will give a review of the procedures used in each of the six constructions listed in the objective. Given: CD. C D Construct a line segment AX congruent to line segment CD. 22 • Lines and Angles Straightedge and Compass: Step 1. Use your straightedge to draw a line on your paper. Choose any point on that line and label it point A. Step 2. Adjust your compass to correspond to the length of CD. Step 3. A Without changing the compass setting, place the tip of your compass on point A and draw an arc that intersects the line.
Amsco's Virginia: Preparing for the SOL Geometry Test by Lorenza Luster and Helen Benyard Luster