✿ Heya! Wolfie
Surface Area of a Rectangular Prism is given by : 2 × { LB + BH + HL }
✿ L represents Length of the Rectangular Prism
✿ B represents Breadth of the Rectangular Prism
✿ H represents Length of the Rectangular Prism
Given : Length = 10 cm and Breadth = 7 cm and Height = 3 cm
Surface area of the given Prism = 2 × {(10)(7) + (7)(3) + (3)(10)} sq cm
⇒ Surface area of the given Prism = 2 × {(70 + 21 + 30} sq cm
⇒ Surface area of the given Prism = 2 × {121} sq cm
⇒ Surface area of the given Prism = 242 sq cm
