Question

the perimmeter of the rectengle is 20cm ifthe lenth of the rectengle is 6cm then its breath will be​

Answer 1

Answer:

4 CENTIMETRES

Step-by-step explanation:

PERIMETER OF RECTANGLE - 2 (L+B) = 20

LENGTH OF RECTANGLE  - 6 CENTIMETRES

TO FIND BREADTH - P/2 - L

20/2 - 6

10 - 6

4 CENTIMETRES

CHECK :

2(L+B)

2(6+4)

2(10)

20 CENTIMETRES

Answer 2

Answer :

$let \: the \: breadth \: be \: b \\ 2(l + b) = 20 \\ 2(6 + b) = 20 \\ (6 + b) = \frac{20}{2} \\ 6 + b = 10 \\ b =10 - 6 \\ b = 4 \\ so \: the \: breadth \: of \: the \: rectangle \: is \: 4cm$

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