Question

explain about population changing in size for class 10th social topic 6. chapter​

please help
i need full explaination
plese plese

Answer 1

Answer:

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Answer 2

Answer:

Find the area of triangle ABC if its perimeter is 35cm².

AB: 10cm²

BC: 10cm ²

AC: 15cm ²

Find area by heron's formula.

{ √s(s-a) (s-b) (s-c) }