Constructing Triangles Tri 1 side/2 angles Constructions Example 1: To construct a triangle of base 9 cm with angles of 35 o and 65 o. To construct a. - ppt download

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Tri 1 side/2 angles Constructions Example 1: To construct a triangle of base 9 cm with angles of 35 o and 65 o. To construct a triangle, given 1 side and 2 angles. 1. Draw a straight line 9 cm long. A B 9 cm 3. Draw straight lines from A and B to point of intersection to form the triangle. 2. Use a protractor to draw angles of 35 o and 65 o on either end of line.
To construct a triangle, given 1 side and 2 angles. 1. Draw a straight line 9 cm long. A B 9 cm 3. Draw straight lines from A and B to point of intersection to form the triangle. 2. Use a protractor to draw angles of 35 o and 65 o on either end of line..
To construct a triangle, given 1 side and 2 angles. 1. Draw a straight line 9 cm long. A B 9 cm 3. Draw straight lines from A and B to point of intersection to form the triangle. 2. Use a protractor to draw angles of 35 o and 65 o on either end of line. 35 o 65 o.
To construct a triangle, given 1 side and 2 angles. 1. Draw a straight line 8 cm long. A B 8 cm 3. Draw straight lines from A and B to point of intersection to form the triangle. 2. Use a protractor to draw angles of 30 o and 100 o on either end of line..
To construct a triangle, given 1 side and 2 angles. 1. Draw a straight line 8 cm long. A B 8 cm 3. Draw straight lines from A and B to point of intersection to form the triangle. 2. Use a protractor to draw angles of 30 o and 100 o on either end of line. 30 o 100 o.
To construct a triangle, given 2 sides and an angle. 1. Draw a straight line 9 cm long. A B 9 cm 2. Use a protractor to draw an angle of 40 o on either end of line. 3. Mark off a length of 7 cm..
Constructions Example 1: To construct a triangle of sides 9 cm and 7cm with an angle of 40 o. To construct a triangle, given 2 sides and an angle. A B 9 cm 2. Use a protractor to draw an angle of 40 o on either end of line. 3. Mark off a length of 7 cm. 7 cm 40 o.
To construct a triangle, given 2 sides and an angle. 1. Draw a straight line 10 cm long. 2. Use a protractor to draw an angle of 115 o on either end of line. 3. Mark off a length of 7 cm. A B 10 cm.
Constructions Example 2: To construct a triangle of sides 10 cm and 7cm with an angle of 115 o. To construct a triangle, given 2 sides and an angle. 1. Draw a straight line 10 cm long. 2. Use a protractor to draw an angle of 115 o on either end of line. A B 10 cm 4. Join end points to form the required triangle. 7 cm 115 o.
Constructions Example 1: To construct a triangle of sides 8 cm, 7cm and 6 cm. 1. Draw line 8cm long and use as base of triangle. A B 8 cm 2. Set compass to 7 cm, place at A and draw an arc. 7 cm 6 cm 4. Draw straight lines from A and B to point of intersection. 3. Set compass to 6 cm, place at B and draw an arc to intersect the first one..
Constructions Example 2: To construct a triangle of sides 7 cm, 9 cm and 4 cm. 1. Using the longest side as the base, draw a straight line 9 cm long. A B 9 cm 2. Set compass to 7 cm, place at A and draw an arc. 4. Draw straight lines from A and B to point of intersection. 3. Set compass to 4 cm, place at B and draw an arc to intersect the first one. 7 cm 4 cm.