Seven equal cubes each of side 5 cm are
joined end-to-end. Find the surface area of
the resulting cuboid.
(a) 750 sq cm
(b) 1500 sq cm
(c) 2250 sq cm
(d) 700 sq cm
(e) None of these
Answers
Answered by
3
Correct option A
Given, l = Length of the cuboid = 5 x 7 = 35 cm
h = Breadth of the cuboid = 5 cm
h = Height of the cuboid = 5 cm
∴ Surface area = 2(lb + bh + lh) = 2[35 x 5 + 5 x 5 + 35 x 5]
= 2[175 + 25 + 175]
= 2 x 375 = 750 sq cm
hope it helps you ❤️...
Answered by
3
Answer:
The correct answer is 750 cm
Step-by-step explanation:
Because 50 multiplied by 7 = 750 cm
= 750 cm
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