- A
- B
- C
- D
Solution:
Here, we using Heron's formula,
Where, 
, 
and 
Thus, 
Hence, Option (3) is the correct answer.
MathematicsThe sides of a triangle are 5 cm, 12 cm and 13 cm, then its area is
The sides of a triangle are 5 cm, 12 cm and 13 cm, then its area is
Where, , and Thus, Hence, Option (3) is the correct answer.
