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Step-by-step explanation:
Let assume that AB be the pole in the park
Further assume that,
BC be the shadow when sun inclination is 45° and BD be the shadow when sun inclination is 30°.
So, According to statement, the length of shadow increases by 1 m when sun elevation changes from 45° to 30°.
Let assume that AB = 'h' m and BC = x m
Now, In right-angle triangle ABC
Now, In right-angle triangle ABD
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