Answer:
true
Step-by-step explanation:
(100-9^2)/3
PEMDAS: parenthesis, exponents, multiply, divide, add, subtract
Lets' work on the parethesis first.
100-9^2
We can do the exponent first, 9^2=81, so 100-81=19
Then we divide and 19/3 is your final answer.
Answer:
9 cm
Step-by-step explanation:
27 / 3 =9 cm
The total periméter is 27 and it has 3 sides so just divide