Question

the length of the rectangle exceeds its breadth by 7cm. if the perimeter is 90cm.find the area

Answer 1

Let the Breadth be a

Length = a +7

Perimeter = 2(a +a +7)

=> 45 = 2a + 7

=> 2a = 38

=> a = 19

Breadth = 19 cm

Length = 26 cm

Answer 2

Answer:

Let the breadth be'a'.

Length = 7+a

Perimeter = 2(a+a)+7

=> 2(a+a)+7=90

=>a+a+7 = 90÷2=45

=> a+a= 45-7

=> 2a = 38

=> a = 38/2=19

# Breadth= 19 cm

# Length = 19+7=26cm

Area= l*b = 19*26= 484 cm.

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