SOLUTION: Hai sir, please help me on this problem Namita has a garden in front of her house. The garden is in the shape of a trapezium. The lengths of the parellel sides of the garden a

Question 392658: Hai sir, please help me on this problem
Namita has a garden in front of her house.
The garden is in the shape of a trapezium. The lengths of
the parellel sides of the garden are 15 m and 20 m and
the distance between these parallel sides is 12 m. She wants
to spread fertilizer in the garden, which costs Rs.5 per
square metre. Namita is wondering what it will cost her
to spread the fertilizer in the entire garden.

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Trapezium (american -trapezoid - if two sides are parallel).
The area of a trapezium/trapezoid is given by:

The two bases are:
m.
m.
The height is:
m.
Make the appropriate substitutions:
Evaluate.
sqare metres.
The cost of the fertilizer at Rs.5 per square meter for 210 square meters is:
= Rs. 1050
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