Letters that represent numbers are called ?
2 answers:
The answer is "variables"
Hope this helps:))
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Edited : I apologise I misunderstood the question.
You can solve the equation.
Answer:
its 4
Step-by-step explanation:
Answer:
x= ?
Step-by-step explanation:
The worksheet pic is not clear
For perimeter you add up the two sides so 15 + 21 equals 36
