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The readings of field book are

It is subsequently realised that the distances to D had been interchanged by mistake. The area of the actual filed would be

(a)

1300 sq. m

(b)

1500 sq. m

(c)

1800 sq. m

(d)

2000 sq. m



Question ID - 50152 | SaraNextGen Top Answer

The readings of field book are

It is subsequently realised that the distances to D had been interchanged by mistake. The area of the actual filed would be

(a)

1300 sq. m

(b)

1500 sq. m

(c)

1800 sq. m

(d)

2000 sq. m

1 Answer
127 votes
Answer Key / Explanation : (a) -

Interchanging the distances to C and D, the field may be drawn in th adjoining figure.

We have AB = 40, AF = 30, AG = 20, AH = 10, CH = 30, DG = 20, EF = 30.

 

Area of the field = ar (AHC) + ar(rect. CEFH) + ar (BEF) + ar (BGD) + ar ( AGD)

 

=

 

= 1300 m2.

127 votes


127