Question

the length and breadth of a rectangular wall are 5 cm 4 cm respectively find the cost of painting the wall of the rate 10 per metre​

Answer 1

Answer:

₹200.

Step-by-step explanation:

$area \: of \: the \: wall \: = \: l \times b$

Where,

• L = length
• b= breadth

Applying all the values :-

$5 \times 4 = 20 \: {m}^{2}$

Cost = area*rate = 20*10 =₹200.

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Answer 2

Answer:

200 Rs

First Find the Area of the Wall

Area = Length × Breadth

= 5cm × 4cm

= 20cm²

Cost of painting the wall = 20 × 10Rs = 200 Rs