Using a Protractor..
It's a little plastic half circle thingy with angle measurements on it.
see image below
It's a little plastic half circle thingy with angle measurements on it.
see image below
What is the measurement of the three angles in ANT
1 answer:
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Answer:
A
Step-by-step explanation:
An excluded value is any value of x that makes the denominator of the rational expression zero as this would make the expression undefined.
For expression A
The denominator will be zero when x² - 4 = 0
x² - 4 is a difference of squares, thus
(x - 2)(x + 2) = 0
x - 2 = 0 ⇒ x = 2
x + 2 = 0 ⇒ x = - 2
The excluded values of x are x = ± 2 ⇒ A