A Project On Triangle
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What is a Triangle ? Geometric figure consisting of three points called vertices, connected by three sides. Triangles are differentiated by length of sides or by the angles made on vertices.
RIGHT ANGLE TRIANGLE 1.
Draw a ray of length L and cut a line AB from it. 2. On the point A, draw a perpendicular by using Compass. 3. Mark point C on it by which AC line is drawn. 4. Join the point BC. 5. Now ABC is required right angle triangle. Properties:1.BC2=AC2+AB2 (By Pythagoras Theorem)
EQUILATERAL TRIANGLE 1. Draw a ray L and cut a line of length AB from it. 2. Now keep the compass at point A and draw an arc of length AB. 3. Now keep the compass at point B and draw an arc of length AB. 4. Both the arc cut at the point c. 5. Now ABC is required equilateral triangle.
PROPERTIES 1. All the three side are equal. 2. A perpendicular draw from C on the base AB divide the triangle into two equal parts. 3. At the point of intersection draw from all the vertices are called centroid. 4. The point of intersection of perpendicular is orthocenter.
SCALENE TRIANGLE 1.
Draw a ray of length L and cut a line of length AB from it. 2. Now keep the compass at point A and draw an arc of length AC. 3. Also draw a arc of length BC which cuts the first arc at the point C. 4. Joint the point AC and BC. 5. Now ABC is the required scalen triangle. Properties:1.All the three sides are unequal. 2.All the angles at the vertices are unequal.
ISOSCELES 1. Draw a ray of length L and cut a line of length AB from it. 2. Now keep the compass at point A and draw an arc of length AC from it. 3. Now keep the compass at point B and draw an arc of length AC,which cuts the first arc drawn from point A, at the point C. 4. Now ABC is the required isosceles triangle.
PROPERTIES • • •
The two sides are equal i.e AC = BC. Angle are equal of equal sides. A perpendicular draw from point C on the base AC ,divides the triangle into two equal right angle triangle.
BIBLIOGRAPHY MICROSOFT ENCARTA 6TH ,7TH STANDARD TEXT BOOK(PSEB)
ACKNOWLEDGEMENT We are really thankful to our computer teachers & math teachers. Here we don’t want to forget them for their good guidance
TEAM PROJECT MADE BY 1. 2. 3.
Anuradha Amarjit Surjit
RIGHT ANGLE TRIANGLE 1.
Draw a ray of length L and cut a line AB from it. 2. On the point A, draw a perpendicular by using Compass. 3. Mark point C on it by which AC line is drawn. 4. Join the point BC. 5. Now ABC is required right angle triangle. Properties:1.BC2=AC2+AB2 (By Pythagoras Theorem)
EQUILATERAL TRIANGLE 1. Draw a ray L and cut a line of length AB from it. 2. Now keep the compass at point A and draw an arc of length AB. 3. Now keep the compass at point B and draw an arc of length AB. 4. Both the arc cut at the point c. 5. Now ABC is required equilateral triangle.
PROPERTIES 1. All the three side are equal. 2. A perpendicular draw from C on the base AB divide the triangle into two equal parts. 3. At the point of intersection draw from all the vertices are called centroid. 4. The point of intersection of perpendicular is orthocenter.
SCALENE TRIANGLE 1.
Draw a ray of length L and cut a line of length AB from it. 2. Now keep the compass at point A and draw an arc of length AC. 3. Also draw a arc of length BC which cuts the first arc at the point C. 4. Joint the point AC and BC. 5. Now ABC is the required scalen triangle. Properties:1.All the three sides are unequal. 2.All the angles at the vertices are unequal.
ISOSCELES 1. Draw a ray of length L and cut a line of length AB from it. 2. Now keep the compass at point A and draw an arc of length AC from it. 3. Now keep the compass at point B and draw an arc of length AC,which cuts the first arc drawn from point A, at the point C. 4. Now ABC is the required isosceles triangle.
PROPERTIES • • •
The two sides are equal i.e AC = BC. Angle are equal of equal sides. A perpendicular draw from point C on the base AC ,divides the triangle into two equal right angle triangle.
BIBLIOGRAPHY MICROSOFT ENCARTA 6TH ,7TH STANDARD TEXT BOOK(PSEB)
ACKNOWLEDGEMENT We are really thankful to our computer teachers & math teachers. Here we don’t want to forget them for their good guidance
TEAM PROJECT MADE BY 1. 2. 3.
Anuradha Amarjit Surjit
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