Question

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sub maths
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Answer 1

Step-by-step explanation:

Given,

length (l)= 12 cm

breadth (b)= 9 cm

perimeter of a rectangle= 2(l+b)

=2(12 + 9)

=2 x 21

=42 cm

area of a rectangle= l x b

= 12 x 9

= 108 cm²

Answer 2

Good Morning mate! Here's your Answer!

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Answer:

Perimeter = 42  cm

Area         = 108 cm²

Steps on How to solve :-

Given,

Length of the rectangle  (L)  : 12 cm

Breadth of the rectangle (B) :  9 cm

To find:

1) Perimeter of Rectangle

2) Area of Rectangle

Perimeter of Rectangle

Formula of Perimeter of Rectangle = 2(L + B)                 [ 2(Length x Breadth)]

                                                          = 2(12 + 9)

                                                          = 2 x 21

                                                          = 42 cm

Area of Rectangle

Formula of Area of Rectangle        = L x B                        [ Length x Breadth]

                                                        = 12 x 9

                                                        = 108 cm²

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Hope you understood!!

Sayonara~