<u>Answer</u>
The correct answer is A.
<u>Explanation</u>
The given triangle is a right triangle.
The length of the hypotenuse is 
units.
The given angle is 
.
The unknown side 
is adjacent to the given angle.
We can therefore use the cosine function to find .
Recall the mnemonics CAH.
This means that;
This implies that,
We multiply both sides by to get,
We evaluate to get
Therefore the length of the side of the triangle is 
units to the nearest tenth.
Answer:
Microwaves, like other forms of electromagnetic radiation, can propagate through space (i.e. they don't require a medium like air or water to travel through).
Explanation:
The electricity causes the magnetic field. the electricity changes the magnetic waves around the wire causing the wires waves to change, creating an electro magnet
The answer is d) batteries
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