Answer:
12.99km
Step-by-step explanation:
Using the formula
C=2(pi)(r)
check the picture below.
the line QS is just a flat-line and therefore it has 180° on either side, so the angle QPR is 57°, as you see there, and since we know the diameter is 20, that simply means the radius of the circle is 10.

Answer:
Scaling
Step-by-step explanation:
That's the definition:
Scaling is the process that resizes a number when you multiply by a fraction that is greater than or less than one.
Answer:
E
Step-by-step explanation:
If correct plz mark as brainliest
thank you
19NBoli
:)
Step-by-step explanation:
I can only answer part 2 of your question, "If we multiply two positive numbers, is the result positive or negative?". if you multiply 2 positive numbers your answer would be positive.