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A Garden is in the Form of a Rhombus Whose Side is 30 Metres and the Corresponding Altitude is 16 M. Find the Cost of Levelling the Garden at the Rate of Rs 2 per M2. - Mathematics

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ConceptArea of a Polygon

Question

A garden is in the form of a rhombus whose side is 30 metres and the corresponding altitude is 16 m. Find the cost of levelling the garden at the rate of Rs 2 per m2.

Solution

Given:
Side of the rhombus shaped garden = 30 m
Altitude = 16 m
Now, area of a rhombus = side x Altitude
\[ \therefore\text{ Area of the given garden }=30\times16=480 m^2 \]
\[ {\text{ Also, it is given that the rate of levelling the garden is } \text{ Rs 2 per }1m}^2 .\]
\[ \therefore {\text{ Total cost of levelling the complete garden of area }480 m}^2 =480\times2= \text{ Rs }960\]

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APPEARS IN

 RD Sharma Solution for Mathematics for Class 8 by R D Sharma (2019-2020 Session) (2017 to Current)
Chapter 20: Mensuration - I (Area of a Trapezium and a Polygon)
Ex. 20.1 | Q: 20 | Page no. 14
Solution A Garden is in the Form of a Rhombus Whose Side is 30 Metres and the Corresponding Altitude is 16 M. Find the Cost of Levelling the Garden at the Rate of Rs 2 per M2. Concept: Area of a Polygon.
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