Angles Estimating angles Drawing angles mdhazrin Angles Estimating

Angles • Estimating angles • Drawing angles ©mdhazrin

Angles: Estimating angles Note: 90 Angles bigger than 90 Right angle 90 90 Angles smaller than 90

Angles: Estimating angles 90 Note: Right angle 90 Exercise: 1) Angles bigger than 90 Angles smaller than 90 Questions: q Right angle? q Angle bigger than 90 ? q Angle smaller than 90 ? 90

Angles: Estimating angles 90 Note: Right angle 90 Exercise: 2) 90 Angles bigger than 90 Angles smaller than 90 Questions: q Right angle? q Angle bigger than 90 ? q Angle smaller than 90 ?

Angles: Estimating angles 90 Note: Right angle 90 Exercise: 3) 90 Angles bigger than 90 Angles smaller than 90 Questions: q Right angle? q Angle bigger than 90 ? q Angle smaller than 90 ?

Angles: Estimating angles 90 Note: Right angle 90 Exercise: 4) 90 Angles bigger than 90 Angles smaller than 90 Questions: q Right angle? q Angle bigger than 90 ? q Angle smaller than 90 ?

Angles: Estimating angles Exercise: 5) Which of the following is the possible figure for the given angles? 68 o 68 o

Angles: Estimating angles Exercise: 6) Which of the following is the possible figure for the given angles? 138 o

Angles: Estimating angles Exercise: 7) Which of the following is the possible figure for the given angles? 31 o 31 o

Angles: Estimating angles Exercise: 8) Which of the following is the possible figure for the given angles? 26 o 26 o

Angles: Estimating angles Exercise: 9) Which of the following is the possible figure for the given angles? 109 o

Angles: Drawing angles Drawing an angle of 65 VERTEX o q Draw a line and make a point on the line to be the vertex point. q Place the center of the base line of the protractor at the vertex. q Use the protractor to find the correct mark and mark it with a dot.

Angles: Drawing angles Drawing an angle of 65 65 o o q Draw a line and make a point on the line to be the vertex point. q Place the center of the base line of the protractor at the vertex. q Use the protractor to find the correct mark and mark it with a dot. q Remove the protractor. q Draw a line from the vertex through the dot. q Label the angle.

Angles: Drawing angles Draw the following angles in your exercise book. a) 50 o b) 126 o c) 23 o d) 45 o e) 161 o f) 147 o Steps to Draw an angle q Draw a line and make a point on the line to be the vertex point. q Place the center of the base line of the protractor at the vertex. q Use the protractor to find the correct mark and mark it with a dot. q Remove the protractor. q Draw a line from the vertex through the dot. q Label the angle.