To answer this question, you can use the values of the unit circle to figure out the angle measurement. Since the cosine is the x value of the circle, we can see that at 45°<span>, the x value is √2/2.
So the missing angle should be 45°</span>
Answer:
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Step-by-step explanation:
22.31 because A= BH where B is base length and H is Height. Multiply 5.25 by 4.25 and you get 22.31
