Question

The area between the isohyets 45 cm and 55 cm is 100 square km
and between 55 cm and 65 cm is 150 square km. The average
depth of annua! precipitation over the above basin of 250 square
km will be
55 am
3 56 cm
4. 60 cm​

Answer 1

Step-by-step explanation:

IT IS GIVEN THAT

= 100×50+160×60

____________ = 56cm

250

Therefore 56 is the answer

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