In △ABC,c=9, m∠B=65°, and a=105. Find b.
1 answer:
Answer:
Step-by-step explanation:
b² = a² + c² - 2ac × cos (m∠B)
b² = 105² + 9² - 2(9)(105)cos65°
b ≈ 101.5
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One can be L = 20 cm; W = 20 cm; H = 6 cm
The other can be: L 16 cm; W = 15 cm; H = 10 cm