Question

pls answer any one of them pls answer fast its very urgent​

Answer 1

Answer:

6.A: Height = vol / base area = 30/15 = 2 cm

Q.7: Area=900 mtr square

Lenght=45 mtr

Area of Rectangle = l*b

900=45*b

b=900/45

hence,

b=20 mtr

Step-by-step explanation:

Answer 2

Answer:

See, a string is generally used when we are to measure the length of some irregular plane or a curvy plane. This can be done by placing the string on the sides of which length is to be measured. Length of the string used will be equal to the length you need to measure.

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