Answer:
Step-by-step explanation:
The ratio of pencils to erasers is
Convert the ratio to a fraction.
The fraction is now pencils to erasers.
The fraction of the number of erasers to pencils is:
Answer:
Suppose you have two similar figures , one larger than the other. The scale factor is the ratio of the length of a side of one figure to the length of the corresponding side of the other figure. Here, XYUV=123=4 . So, the scale factor is 4 .Two figures are said to be similar if they are the same shape. In more mathematical language, two figures are similar if their corresponding angles are congruent , and the ratios of the lengths of their corresponding sides are equal. This common ratio is called the scale factor .
Answer:
your are very loser but me, is very inteligent but you nono
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Use the cosine rule.
c=AB=7
b=AC=8
a=BC=3
a^2=b^2+c^2-2bc(cos(A))
=>
cos(A)=(b^2+c^2-a^2)/(2bc)
=(7^2+8^2-3^2)/(2*7*8)
=13/14
=0.9286
