For the first one write 9 divided by 2 gives your your radius an it’s 3.5. the formula is 2 x 3.14 x radius and that gives you 21.98.
the 2nd one is 2 x 3.14 x 9 = 56.52
the 3rd is 2 x 3.14 x 5= 31.4
formula is always 2 x 3.14 (or pie) x radius
to get your radius from your diameter you do your diameter divided by 2
Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
Answer:
1/15
Step-by-step explanation:
(1/5) / (3/1)
idk how to explain this but you cross multiply (so 1*1 and 3*5)
Answer:
19.345238095238
Step-by-step explanation:
There are approximately 168 hours in 1 week 32.5 percent of 168 is 19.345238095238.
