Question

pleas answer me according my problem. please ​

Answer 1

Step-by-step explanation:

area of walls with window and door = area of walls +area of doors +area of windows

area of door = l×b

2.5×1

2.5m

area of windows = l×b

4×5

20m

area of walls=lateral surface area

2(l+b)h

2(5+4)3

2(9)3

2×9×3

54m^2

area of wall with windows and doors=

2.5+20+54

76.5m^2

yellow paint cost

54×80

4320 Rs

red paint cost

54×70

3780 Rs

total cost

4320+3780

8000 Rs

may this will help u mark me as brainliest thank u