TRIG. HELP GIVE BRAINLEST AND EARN POINTS
1 answer:
Answer:
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 )
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