Question 21 • Geometry
For angle YZX, the opposite side is XY = 12.4 cm and the adjacent side is YZ = 15.1 cm. Use the tangent ratio: tan(angle YZX) = 12.4 ÷ 15.1 ≈ 0.821. Taking the inverse tangent gives an angle of about 39.4°, so the approximate measure is 39.4 degrees.
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