Total surface area of a cube which edge is 2 cm is - i) 24 sqcm ii) 180sqcm iii) 90 sqcm iv) 54 sqcm
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The edge of a cube is 2 cm. Find the total surface area of the cuboid formed by three such cubes joined edge to edge. Thus, the required total surface area of the cuboid = 56 cm2.
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correct answer is option (i) 24 sq cm
Step-by-step explanation:
Given data
edge of the cube = 2 cm
⇒ area of the face of the square = s²
⇒ we know that a square has 6 faces
⇒ Total surface area a cube = 6 s²
⇒ total surface ares of the cube with edge 2 cm
⇒ 6 s² = 6 (2)² = 6 (4) = 24 sq cm
⇒ in given options ⇒ option (i) is correct answer
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