Answer:
15+16+19+10= 60cm
Step-by-step explanation:
If you want to find the perimeter of a polygon, you need to add all the sides.
Answer:
16.3
Step-by-step explanation:
-(-3.5) + (-(-12.8))
3.5+12.8= 16.3
Answer:
the expression + 12
Step-by-step explanation:
anything that has 'than' after it will be comparing "a" and "b" will be switched
a: 12
b: the expression
a more than b
it'll become
'b + a'
because its comparing both variables of which one is greater than the other in terms of quantity