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c ≈ 4.2 ft

Step-by-step explanation:

Using the cosine rule with a = 7, b = 8 and C = 32°, then

c² = 7² + 8² - (2 × 7 × 8 × cos32°)

   = 49 + 64 - (112 × cos32°)

   = 113 - 94.98

c = ≈ 4.2 ft ( to the nearest tenth )

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right