Angles.

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Presentation transcript:

Angles

Measure the Angle 300 Acute angle < 900 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 300 Acute angle < 900

Measure the Angle 450 Acute angle < 900 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 450 Acute angle < 900

Measure the Angle 900 Right angle = 900 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 900 Right angle = 900

Measure the Angle 1400 Obtuse angle > 900 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 Obtuse angle > 900

Straight angle (straight line) = 1800 Measure the Angle 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 1800 Straight angle (straight line) = 1800

Supplementary Angles: two angles whose sum is 1800 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 1500 300 300 + 1500 = 1800 Supplementary Angles: two angles whose sum is 1800

Complementary Angles: two angles whose sum is 900 600 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 Complementary Angles: two angles whose sum is 900 300 300 + 600 = 900

Vertical Angles 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 1000 1000 Vertical Angles: across from each other and are the same measure

Vertical Angles 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 800 90 CM 6 5 4 3 2 1 7 8 9 10 120 130 50 170 20 160 30 150 40 140 60 70 110 80 100 800

Supplementary Angles: two angles whose sum is 1800 1300 x 500 Supplementary Angles: two angles whose sum is 1800 500 + x = 1800 x = 1300

Supplementary Angles: two angles whose sum is 1800 The angle = 1200, x = 40 3x 600 Supplementary Angles: two angles whose sum is 1800 3x + 60 = 1800 3x = 1200 x = 400

Complementary Angles: two angles whose sum is 900 x 400 500 Complementary Angles: two angles whose sum is 900 500 + x = 900 x = 400

Complementary Angles: two angles whose sum is 900 The angle = 700, x = 600 x + 10 200 Complementary Angles: two angles whose sum is 900 x + 10 + 20 = 900 x + 30 = 900 x = 600

Vertical Angles: across from each other and have the same measure 1100 x Vertical Angles: across from each other and have the same measure x = 1100

Vertical Angles: across from each other and have the same measure 600 The angle = 600, x = 150 4x Vertical Angles: across from each other and have the same measure 4x = 600 x = 150