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Monica [59]
2 years ago
12

Brainliest Award +100 Points for the first correct answer.

Mathematics
1 answer:
katen-ka-za [31]2 years ago
7 0

Answer:

min = 64.2m ; max = 86.2m

Step-by-step explanation:

38.25m \leq AC < 38.35m&#10;\\ 11.5deg \leq B < 12.5deg&#10;\\ 19.5deg \leq D < 20.5deg

d_{min} = BC_{LB} - CD_{UB}&#10;\\ \\ d_{min} = \frac{AC_{LB}}{tan(B)_{UB}} - \frac{AC_{UB}}{tan(D)_{LB}}&#10;\\ \\ d_{min} = \frac{38.25}{tan(12.5)} - \frac{38.35}{tan(19.5)}&#10;\\ \\ d_{min} = 64.2m (3sf)


d_{max} = BC_{UB} - CD_{LB}&#10;\\ \\ d_{max} = \frac{AC_{UB}}{tan(B)_{LB}} - \frac{AC_{LB}}{tan(D)_{UB}}&#10;\\ \\ d_{max} = \frac{38.35}{tan(11.5)} - \frac{38.25}{tan(20.5)}&#10;\\ \\ d_{max} = 86.2m (3sf)

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