3. In a quadrilateral field, the diagonal of length 40 m divides the field into two equal parts.The lengths of the heights to the diagonal are 12 m and 14 m respectively. Find the totalcost to plough the field at the rate of ruppes 15 per m².
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Answer:
Step-by-step explanation:
Length of 2 perpendiculars = diagonal 2
= 12 + 14
= 26cm
Therefore diagonal 1 is 40m, diagonal 2 is 26m
Since there is a mention of 2 diagonals we will use the formula of rhombus to find area
Area of rhombus = 1 /2 x d1 x d2
= 1/2 x 40 x 26
= 520
Therefore area of the field is 520sq.m
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