Question

Plzz answer no. 10 step by step​

Answer 1

Answer:

(i) 75.25 cm²

(ii) 93.15

Step-by-step explanation:

Given,

Length of the poster = 10 cm  

and

breadth of the poster = 8 cm

Area of the poster = Length x Breadth = 10 cm x 8 cm = 80 cm2

From the figure, it can be observed that,

Length of the cardboard when the margin is included :

= 10 cm + 1.75 cm + 1.75 cm

= 13.5 cm

Breadth of the cardboard when the margin is included :

= 8 cm + 1.75 cm + 1.75 cm

= 11.5 cm

Area of the cardboard = Length x Breadth

                                     = 13.5 * 11.5

                                     = 155.25 cm²

(i)

Area of margin:

= Area of cardboard including the margin- Area of the poster

= 155.25 - 80

= 75.25 cm²

(ii)

Cost of the cardboard = Area of the cardboard * Rate of the cardboard

                                     = 155.25 * 0.60

                                     = 93.15

Hope it helps!

Answer 2

Step-by-step explanation:

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