Question

Find the area of a rectangular ground whose perimeter is 420m and breadth 85m.

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Answer 1

Answer:

let the length be x

perimeter of rectangle = 2(L+B)

A/Q

2(L+B) = 420 cm

2(x+85)cm= 420 cm

2x + 170 cm = 420 cm

2x=( 420 - 170)cm

2x= 250 cm

x = 250 cm÷2 = 125 cm

Answer 2

Thanks for your question...

Your required answer :

Given :

• Perimeter = 2 ( L + B ) = 420 m
• Breadth = 85 m

To find :

• Length

Solution :

$\green{2(l + 85) = 420} \\ \\ \purple{l + 85 = \frac{420}{2}} \\ \\ \orange{l + 85 = 210} \\ \\ \red{l = 210 - 85} \\ \\ \blue {l = 125 \: cm}$

Brainliest Please