Answer:
Each angle measures 90 degrees.
Step-by-step explanation:
By definition, in a square, each angle measure is 90 degrees, and all side lengths are equal lengths.
I hope this helps!
Answer:
Step-by-step explanation:ok
Answer:-1 3/4
Step-by-step explanation:
That is below sea level
Answer:
690
Step-by-step explanation:
Put 30 where m is in the expression and do the arithmetic. Or, simpify the expression first, then do the same.
14·30 +30 +17·30 -9·30 = 420 +30 +510 -270 = 690
Simplifying first, you have ...
14m +m +17m -9m = m(14 +1 +17 -9) = 23m
23·30 = 690