What's the surface area?
1 answer:
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To understand this question, we need some knowledge on radioactive decay. This type of nuclear decay is called a beta decay
<h3>Beta Decay</h3>This is the process where a radioactive material is fired or naturally emits a beta particle which is equivalent to the lose of an electron and spontaneously becomes an entirely different element.
The participating actors in this nuclear reaction are
- helium
- lithium
- electron
This is the decay process of helium particle in which it became a lithium particle and emitted an electron in the process.
Learn more on beta decay here;
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Answer:
Step-by-step explanation:
It is given that A 14 foot ladder is leaning against a building. The ladder makes a 45 degree angle with the building, then let AC=14 foot and ∠C=45°and AB be the length of the building.
Thus, using the trigonometry, we have
Substituting the given values, we get
⇒
⇒
⇒
⇒
Thus, the length of the building will be .
