PPT-Starter Using a protractor, draw the angles:

26 154 201 Construct a triangle PQR with lines PQ 8cm QR 5cm and PQR 40 Draw an 8cm line and label the ends P and Q This is the line PQ Place the centre of the protractor on Q with the 0 line pointing to P. Tracing paper may be used Instructions Use black ink or ball point pen Fill in the boxes at the top of this page with your name centre number and candidate number Answer all questions Answer the questions in the spaces provided there may be more spa Stage 4 Page 2 of 3 Mathematics Unit, Curriculum K–12 Directorate Space and geometry NSW Parts of an angle. How to name Angles. After the Vertex - A. After the rays that form the angle BAD . After the letter or number inside the angle. . 1. Compass . Tool used to draw circles and parts of circles called arcs.. What is a Pie Chart?. A pie chart is a circular chart (pie-shaped); it is split into . segments. to show percentages or the relative contributions of categories of data.. How do I draw a pie chart?. Step 1: . Take the percentage . Ex. 75% . Step 2: . Divide the percentage by 100 . 75 / 100 = .75 . Step 3: . Multiply the . decimial. by 360 (360 degrees in a full circle – a full circle is 100%) . Goal: . To learn how to measure angles using full-circle protractors. Now let’s review what we know about angles….. What are the names of the different parts of an angle?. How do we measure angles using the half-circle protractor?. Given. BD . bisects ABC . ABD = 3x + 10. ABC = 3x + 64. Find the measure of x and angles. ABD. ABC. DBC. Measuring Angles: White Boards. http://www.mathplayground.com/measuringangles.html. Draw the following angles: White Boards . Mr. Peterson. CC standard 7.g.5. Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to . write and solve simples equations for an unknown angle in a figure. . Vocabulary. Congruent-the same measurement. Construct-to create. Straightedge-any object you can use to make a straight line. Compass-an instrument used to create circles or parts of circles. Arc-part of a circle that can be drawn with a compass. • Two rays with the same endpoint. • The rays are the sides . of the angle. .. • The common endpoint . of the 2 rays is the . vertex of the angle.. Name the sides and vertex of this angle:. Distance Defined, Equidistant from Two Points, Equidistant from Sides of an Angle, Circle Proofs. Distance Defined:. We remember the basic definition of distance:. The distance between two points is the length of the segment that connects the points. . Angle . Notation – Three Possibilities. A. B. C. Vertex. Congruent Angles & Angle Measure. 30˚. A. B. C. D. E. Angle Bisector. A. B. C. D. “ If . . bisects. . .  . Using your Protractor. Protractor: . What do you notice? . Task One: . Look at the protractor. Write down everything that you notice about the protractor. Try and come up with at least . 10 facts. Think about . number patterns . Warm Up. 1.. . Draw opposite rays . . . and . .. . Solve . each equation.. 3.. 2. x. 3 . x. – 4 3. x. – 5 = . 180 . .  . 2.. Draw . . . and . , . where . A. , . . B. , and .