ANSWER.
The correct answer is Option A
EXPLANATION.
The real number

to 9 decimal places.
You can see that the decimals are not repeating, neither will they terminate.
Therefore the real number
is irrational because, the decimal does not terminate or repeat
Also note that,
.
That is,
is a product of two irrational numbers, which still gives an irrational number.
Where is the question? It’s 2(3)
Answer:
C = ~50 deg
Step-by-step explanation:
Apply the cosine theorem:
cos(C) = (CA^2 + CB^2 - AB^2)/(2*CA*CB)
= (7.5^2 + 6.5^2 - 6^2)/(2*7.5*6.5)
= 0.6410
=> C = ~50 deg
Hope this helps!
<span>20, 21, 22, 24, 25, 26, 27, 28, 30. hope that helped</span>