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Stitz-Zeager_College_Algebra_e-book

10 a x 2 c y 2 dx ey f 0 in this form we can

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Unformatted text preview: = 60◦ β = 60◦ γ = 60◦ a=5 b=5 c=5 (e) α = √ ◦ β ≈ 25.28◦ γ ≈ 34.72◦ 120 c=4 a = 37 b = 3 (j) α ≈ 22.62◦ β ≈ 67.38◦ γ = 90◦ a=5 b = 12 c = 13 (d) α = 63◦ β ≈ 54.1◦ γ ≈ 62.9◦ a = 22 b = 20 c ≈ 21.98 (e) α = 42◦ β ≈ 89.23◦ γ ≈ 48.77◦ a ≈ 78.30 b = 117 c = 88 (f) α ≈ 3◦ β = 7◦ γ = 170◦ a ≈ 29.72 b ≈ 69.2 c = 98.6 2. (a) α = 63◦ a = 18 α = 63◦ a = 18 β ≈ 98.11◦ b = 20 β ≈ 81.89◦ b = 20 γ ≈ 18.89◦ c ≈ 6.54 γ ≈ 35.11◦ c ≈ 11.62 (b) α ≈ 55.30◦ β ≈ 89.40◦ γ ≈ 35.30◦ a = 37 b = 45 c = 26 (c) Information does not produce a triangle √ 1200 ≈ 34.64 square units. 3. The area of the triangle given in Exercise 1f is √ The area of the triangle given in Exercise 1h is 51764375 ≈ 7194.75 square units. The area of the triangle given in Exercise 1j is exactly 30 square units. 4. The distance between the ends of the hands at four o’clock is about 8.26 inches. 5. About 313 miles 6. N32.4◦ W...
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