Answer: i am prety sure that it is 8 because when you see that there is a plus sign a minus sign and an equeal thats pretty much all you gotta do.
Step-by-step explanation:
Answer:
Option A.
Step-by-step explanation:
It is given that
The given expression is
Substitute the given values in the above expression.
Therefore, the correct option is A.
Answer:
The answer is A.
Step-by-step explanation:
You have to apply Pythagoras Theorem :






P.S (Take note):
Pythagoras Theorem can only applied in <u>r</u><u>i</u><u>g</u><u>h</u><u>t</u><u> </u><u>a</u><u>n</u><u>g</u><u>l</u><u>e</u><u> </u><u>t</u><u>r</u><u>i</u><u>a</u><u>n</u><u>g</u><u>l</u><u>e</u>.
Answer012345
Step-by-step explanation: