Question

b) The breadth of a room is b metre. If its length is 5 metres longer than its breadth, represent the length of the room by an expression.
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Answer 1

Answer:

breadth= x

length= x+5

perimeter=

$2(x + 5 + x) = 2 \times 2x + 5 \\ = 4x + 10$

Area=

$x + 5 \times x = x^{2} + 5x$