Asked by angel
write the missing raduis or diameter.
1) d =________ 5) d = 4 3/4 in
r = 21cm r =_________
2) d =_______
r = 26.3 dm 6)d = 3 yds
r =
3) d =_______
r = 14 m
4) d = 18.4 ft
r = __________
1) d =________ 5) d = 4 3/4 in
r = 21cm r =_________
2) d =_______
r = 26.3 dm 6)d = 3 yds
r =
3) d =_______
r = 14 m
4) d = 18.4 ft
r = __________
Answers
Answered by
drwls
i donot understand your question
Answered by
Steve
I think I see two columns hidden in there
The formula to use on all of these is d = 2r.
Generally it is better to state the known information first, then calculate what is unknown.
1. r = 21cm
d = 2x21cm = 42cm
2. r = 26.3dm
d = 2x26.3dm = 52.6dm
3. r = 14m
d = 2x14m = 28m
4. d = 18.4ft
r = d/2 = 18.4/2 ft = 9.2ft
5. d = 4 3/4 in
r = d/2 = (4 3/4)/2 in = 2 3/8 in
The formula to use on all of these is d = 2r.
Generally it is better to state the known information first, then calculate what is unknown.
1. r = 21cm
d = 2x21cm = 42cm
2. r = 26.3dm
d = 2x26.3dm = 52.6dm
3. r = 14m
d = 2x14m = 28m
4. d = 18.4ft
r = d/2 = 18.4/2 ft = 9.2ft
5. d = 4 3/4 in
r = d/2 = (4 3/4)/2 in = 2 3/8 in
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