Question

2 Calculate the height of each of the following cuboids:
d l = 4.2 cm, w = 10 cm, surface area = 226 cm2​

Answer 1

Answer:

surface area of cuboid =2(lb+lh+bh)

226cm2=2(4.2×10+4.2×h+10×h)

226÷2=42+4.2×h+10×h

113-42=h(4.2+10)

71=h×14.2

h=71÷14.2

h=5cm

Step-by-step explanation:

hope u understand

Answer 2

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