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zzz [600]
3 years ago
15

A ladder leans against a building. The foot of the ladder is 2 feet from the building and reaches to a point 7 feet high on the

building. What is the measure of the angle formed by the building?

Mathematics
1 answer:
Luda [366]3 years ago
8 0

Answer:

74.05 degree

Step-by-step explanation:

A ladder leans against a building. The foot of the ladder is 2 feet from the building and reaches to a point 7 feet high on the building.

The ladder forms a right angle triangle with the building

Base of the triangle is 2 feet

The distance between the ground and the top of the ladder is 7 feet

the graph is attached below

AB= 2, AC = 7

We know the opposite and the adjacent side so we use tan formula

Tan (x) = \frac{opposite}{adjacent} =\frac{AC}{AB} = \frac{7}{2}

x = tan^-1 (7/2)

x = 74.05 degree

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Theres 30 kilograms of 10% apple juice. How many kilograms of apples does it need to increase the current apple juice to 25%​?
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The given parameters;

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Let the mass added to increase the percentage to 30% = x

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The additional mass is calculated as;

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