Square $BCFE$ is inscribed in right triangle $AGD$, as shown below. If $AB = 28$ units and $CD = 58$ units, what is the area of
square $BCFE$?
1 answer:
Answer:
1624 units²
Step-by-step explanation:
See attachment for the figure
As, ∠EAB = ∠CFD
and ∠ABE = ∠FCD
We can say that by AA congruency, ΔCFD is similar to ΔBAE
Therefore, BA / EB = CF / DC
BA x DC = EB x CF (since EB = CF )
BA x DC = EB²
28 x 58 = EB² => area of square BCFE
area of square BCFE = 1624 units²
Therefore, the area of square BCFE is 1624 units²
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Answer:
Standard error of the mean parameter the average content of colognes
S.E = 0.02 ounces
Step-by-step explanation:
<u><em>Explanation</em></u><em>:-</em>
<em>Size of random sample 'n' = 121 bottles</em>
<em>mean of the sample </em> ounces
<em>Standard deviation of Population</em>
<em> σ = 0.22</em>
<em>Standard error of the mean parameter the average content of colognes</em>
<em> </em><em></em>
<em> </em><em></em>
S.E = 0.02
<u><em>Final answer:-</em></u>
<em> Standard error of the mean parameter the average content of colognes</em>
<em> S.E = 0.02 ounces </em>
<em></em>