Question

The perimeter of a triangular field is 240 m its

two sides are 78 m and 50 m, then area of

triangular field is

(1) 1650.2 m2 (2) 1662 m2

(3) 1680 m2 (4) 1672 m2

ans is 3 but send me with explanation​

Answer 1

Answer:

3 is your answer

Step-by-step explanation:

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Answer 2

Answer:

perimeter of the triangular field is 240 m

two sides are 78 m and 50 m

third side =240-(78+50)

=112 m

area of triangle = a+b+c /2

240/2

s= 120

by herons formula √s-a × s-b × s-c

√ 120-78×120-50×120-112

√42×70×8

√23,520

153.4

hence the area of the field is 153.4 m^2.