Question

the area of the vertical surface of a brick is 480 cm^2 .Its height and length is 8cm and 20cm . find its length

Answer 1

Answer:

10cm

Step-by-step explanation:

let, length =

Now,

A/Q, 480cm² = 2h(l+b)

or, 480 = 2x8x(l+20)

or, 480 = 16x(l+20)

or, 30 = l+20

so, l = 30-20 = 10cm.

Answer 2

Answer:

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Step-by-step explanation:

Question 7 : How did Montmorency, the dog, add to the excitement and confusion in packing? Answer : Montmorency, the dog of Jerome, created a great confusion in packing as he sat on the things that were to be packed. He put his leg into the jam, scattered the teaspoons and squashed th

e lemons assuming them to be rats.