Kelly is 5 ft 3 in. tall. At 11 A.M., her shadow is 3 ft 8 in. tall. The shadow of a nearby flagpole is 24 ft 6 in. long. How high is the flagpole? (Round your answer to one decimal place.)

Question

daggiemib · Answer

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danjs · Answer

similar values

anonymous · Answer

34.3?

daggiemib · Answer

cross multiply to solve for x?

danjs · Answer

the sun will be beaming down at the same angle for both, so you can show similarity for the two

anonymous · Answer

i got 34.4 when i cross mulitplied

anonymous · Answer

24.6 X5.3/ 3.8

danjs · Answer

the corresponding sides for both triangles will be in the same proportion or ratio

anonymous · Answer

this is hard... its due in like 3 min

danjs · Answer

it is odd to do math in ft and inches in a single value,   i would change it ot one or the other first

anonymous · Answer

can someone help....

anonymous · Answer

i need the answer

danjs · Answer

3'8'' = 3 + (8/12) ft, for example,

anonymous · Answer

i got .6666 repeating

danjs · Answer

change the 4 values to ft or in first then put the corresponding sides in ratios that are equal

3'8 / 24 6  = 5 ' 3  /  x

danjs · Answer

3 foot 8 to 24 ft 6  is the same as 5ft 3 to x

anonymous · Answer

okay so whats x?

anonymous · Answer

my answer has to be due in 1 min... this is timed

danjs · Answer

should be near a bit over 30, i didnt calculate sorry

anonymous · Answer

its saying 34.3 but my homework says its wrong...

anonymous · Answer

@DanJS

danjs · Answer

i just typed it in a calculator,  it says 3087/88  which is approx  35.08 ft

anonymous · Answer

okay thanks so much!
thats correct

danjs · Answer

i put each value as ft

3'8" = 3 + 8/12  ft

danjs · Answer

yeah, similarity properties for the two triangles,   if you care or not what to remember