Coordinate Geometry Question 33
Question: The incentre of the triangle formed by (0, 0), (5,12), (16, 12) is
[EAMCET 1984]
Options:
A) (7, 9)
B) (9, 7)
C) (-9, 7)
D) (-7, 9)
Show Answer
Answer:
Correct Answer: A
Solution:
Obviously $ a=11,b=20,c=13. $
Hence incentre is $ ( \frac{11\times 0+20\times 5+13\times 16}{11+20+13},\frac{11\times 0+20\times 12+13\times 12}{11+20+13} ) $ i.e. (7, 9)
BETA
