james was diving in the ocean. he decided to ascend 11 feet to be able to see the coral better. he was then at -13 feet from the
1 answer:
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Step-by-step explanation:
FÓRMULA:
= b(8 m)
SE DESPEJA
b = /8 m = 18 m
Answer:
m∠ADC = 132°
Step-by-step explanation:
From the figure attached,
By applying sine rule in ΔABD,
sin(∠ADB) =
= 0.74231
m∠ADB =
= 47.92°
≈ 48°
m∠ADC + m∠ADB = 180° [Linear pair of angles]
m∠ADC + 48° = 180°
m∠ADC = 180° - 48°
m∠ADC = 132°