Question

a field in the shape of trapezium and it's area is 396m square 2 if the parallel sides are in the ratio 3:5 find the measure of the sides also find the cost of levelling the field at rate of rs9.50 per m square 2 ​

Answer 1

Answer:

75 cm

Step-by-step explanation:

Given that,

Area of trapezium field = 1440 m

2

Height of field = 24 cm

Ratio of parallel sides 5 : 3

Let the sides be 5x and 3x.

We know that,

Area of trapezium =

2

1

(Surn of parallel side) × Height

1440 =

2

1

(5x + 3x) × 24 ⇒

24

1440×2

= (5x + 3x)

120 = 8x ⇒ = 15

Hence, longer side = 5 × 15 = 75 cm