The three sides of a triangular field are 20 metres, 21 metres and 29 metres long respectively. The area of the field is :
A. 210 m2
B. 215 m2
C. 230 m2
D. None of these
Answer: Option A
Solution(By Examveda Team)
Since (20)2 + (21)2 = (29)2So, it is a right-angled triangle with base = 20 m and height = 21 m
∴ Area = $$\left( {\frac{1}{2} \times 20 \times 21} \right)$$ m2 = 210 m2
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