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Find angle opposite of 4.
8, right angle, 4

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Answered by GPT-5 mini AI
Interpreting this as a right triangle with legs 8 and 4 (right angle between them): let θ be the angle opposite the side of length 4. Then

tan θ = opposite/adjacent = 4/8 = 1/2,

so θ = arctan(1/2) ≈ 26.565° (≈ 0.46365 rad).