What is the measure of angle 3?
2 answers:
For this case, we have by definition, that the four internal angles of a square measure 90 degrees. If we draw the diagonals of the square we have that the angles are divided between 2, that is, they go to measure 45 degrees.
So, according to this definition we have to:
Answer:
The angle 3 is 45 degrees
Option C
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Answer:
Step-by-step explanation:
First, we need to find the common denominator
The easiest way to do this is by multiplying the two given denominators, which are 2 and 5.
2 × 5 = 10
So, our common denominator is 10. Then, multiply the numerators of the two fractions by 2 and 5. Here's why:
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We multiplied the top and bottom by 2 to make sure our new fraction stays equivalent to the original fraction.
Do the same thing for the other one:
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Finally, subtract the two fractions to find the difference between the two times:
=
The reason we used the common denominator is because we can only add or subtract fractions if they have the same denominator.