Question

The angle of elevation of the sum when the length of the shadow of a pole is equal to the height of the pole is

Answer 1

Answer:

Answer is ∅= 45°

Step-by-step explanation:   Let the angle of elevation of sun be ∅..... in ΔABC, AB =BC (given) and ∡ABC=90°     ∴ tan∅ = AB/BC    ∴ tan∅ = AB/AB    ∴tan∅ = 1    but, tan45 =1     ∴∅ =45