Answer:
Eavh side of the square room would be <u>10 meters long</u>
Step-by-step explanation:
length times width = Area
<u>10 times 10 = 100</u>
Answer: It is the same distance from zero as the number she tells you.
Step-by-step explanation:
For this exercise it is important to remember the definition of opposite numbers.
Opposite numbers are defined as those numbers that are in opposite positions on a number line, but their distance from zero is the same. Then, one of them is positive and the other one is negative.
The sum of opposite numbers is zero.
For example, the following numbers are opposite:
and 
and 
and 
Therefore, if Shanika says the opposite of a rational number, you can conclude that the number she is thinking is the same distance from zero as the number she tells you.
Answer:
None
Step-by-step explanation:
The sum of the angles of every triangle must add up to 360 degrees. 80+80+20=200, thus no triangle can be constructed with these angles.
Answer:
a-8/2
Step-by-step explanation: