Find the surface area of the prism shown (Remember, rectangular prisms have a total of 6 sides)
2 answers:
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To find area of square one :-
Given :
- side = 9 (unit)
To find :
- Area of square
We know :
Area of square = side²
Therefore:-
→Area of square = 9²
→Area of square = 9 × 9
→Area of square = 81 (unit)²
To find area of square two :-
Given :
- side = 11 (unit)
To find :
- Area of square
We know :
Area of square = side²
Therefore:-
→Area of square = 11²
→Area of square = 11 × 11
→Area of square = 121 (unit)²
Now it's clearly visible that the whole figure is also. a square .
Therefore AE = CP
Which means area of square three = 81 (unit)²
Now area of shaded figure :-
- Area of square one + Area of square two + Area of square three
- 81 + 81 + 121
- 283 (unit)²
