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Oksanka [162]
3 years ago
13

I NEED THIS ANSWER ASAP: A 10 foot ladder is leaning against a house. The base of the ladder is 4 feet from the house. How far d

oes the ladder reach up the house?
Mathematics
1 answer:
ad-work [718]3 years ago
4 0

Answer:The ladder and the ground form a right triangle. Use the Pythagorean Theorem to find the other leg of the triangle.

Explanation Steps: a^2 + b^2 = c^2

a^2 + 4^2 = 15^2

a^2 + 16 = 225

a^2 = 209

a = 14.5 feet

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2 years ago
2 planes leave the airport at the same time. their speeds are 140 mph and 170 mph and the angle between their courses is 25 degr
Damm [24]

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183.27miles

Step-by-step explanation:

Note that we are considering two planes.

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Speed = 140 mph

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From cosine rule

c^2 = a^2 + b^2 − 2abcos(tetha)

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The distance they flew apart after 2.5hrs is 183.27miles

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