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Harman [31]
3 years ago
7

A girl 5 ft tall is walking away from a lamp post that is 12 ft high. If the girl is walking at a speed 7ft/s, how fast is the t

ip of her shadow moving when she is 10 ft from the lamp post?
Mathematics
1 answer:
kati45 [8]3 years ago
8 0

Answer:

The tip of the shadow is moving at 4.8 ft per sec when the question is:

"A street light is at the top of a 16 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 8 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 35 ft from the base of the pole?"

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Step-by-step explanation:

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Answer:

26.75 units ^2

Step-by-step explanation:

Since the shape is complex, divide it into 3 right angled triangles and one square. Find the area of these individual shapes first, then fin the sum of these area to calculate the ultimate area of e complex shape:

Triangle 1 = 1/2 x 2 x 5 = 5 units ^2

Triangle 2 = 1/2 x 2 x 2 = 2 units ^2

Triangle 3 = 1/2 x 3.5 x 9 = 15.75 units ^2

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Step-by-step explanation:

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