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2. PRESENTED BY:
SAI PRIYA S
REG NO: 13973015
MATHEMATICS
K.U.C.T.E KOLLAM

3. NAME OF THE TEACHER: SAI PRIYA S
STANDARD : VIII
SUBJECT : MATHEMATICS
UNIT :RATIO AND
PROPORTION
TOPIC : CENTROID OF A
TRIANGLE

4. OBJECTIVE
CONCEPT OF CENTROID OF A TRIANGLE.

5. B
A
C
F E
D

6. B
A
C
F E
D

7. A
F E
B D
C

8. A
F E
B D
C
D

9. A
F E
D
B D
C
THE MIDPOINT OF THE SIDES OF A TRIANGLE WHEN JOINED BY A LINE WITH
THE OPPOSITE VERTEX FORMS THE MEDIAN.

10. A
F E
D
B D
C
THE THREE MEDIANS IN A TRIANGLE PASS THROUGH A SINGLE POINT WITHIN THE
TRIANGLE. THIS POINT IS CALLED CENTROID OF THE TRIANGLE

11. A
F E
B D
C
D
AG/BG = BG/GE = CG/GF = 2/1

12. IN A TRIANGLE THE MIDPOINT DIVIDES EACH OF
THE MEDIANS IN THE RATIO 2:1