Question

Maths winter homework please help i am confused in this one​

Answer 1

Step-by-step explanation:

(i) Area of door = 3x × x = 3x^2

(ii) Area of window = 2x × x = 2x^2

(iii) Area of wall = 5x( 5x+2 ) = 5x×5x + 5x×2 = 25x^2 + 10x

(iv) Area of wall be painted = Total area of wall – Area of door + +Area of window

= 25x^2 + 10x – 3x^2 + 2x^2

= 20x^2 +10x

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