A circle has a diameter of 46 cm. What is its radius?
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Remember these rules for addition, substraction, multiplication or division:
Addition
+ + = +
- - = -
Big + number - = +
Big -number + = -
Substraction
change the sign!
And follow the rules for addition
Multiplication or division
+ + = +
- - = +
+ - = -
Now for the exercise
<u>- ()</u>
<u />
Change the signal
<u>()</u>