triangle efg is similar to triangle tuv as shown below based on the measurements of the triangles what is the measurement of ang
le u?
1 answer:
Incomplete Question the Complete Question with figure is below.
Answer:
The correct option is C . 48°
Therefore,
measure angle U is 48°.
Step-by-step explanation:
Given:
ΔEFG ~ ΔTUV
∠ F = 48°
To Find:
measure angle U = ?
Solution:
When the two Triangles are Similar then their Vertices are correspondence to each other. the correspondence of vertices are as
For, ΔEFG ~ ΔTUV
E ↔ T
F ↔ U
G ↔ V
Also Corresponding angles of Similar Triangles are Congruent.
Therefore
∠F ≅ ∠U Corresponding angles of Similar Triangles are Congruent.
But ∠ F = 48° ......Given
∴ ∠U = 48° ...........Transitive Property
Therefore,
measure angle U is 48°.
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9514 1404 393
Answer:
Each term in the pattern will be odd.
Step-by-step explanation:
The first differences are ...
7 -3 = 4
15 -7 = 8
These differ by 4, and the second is double the first.
These relationships between the first differences give rise to two possible sequences: a) an exponential sequence; b) a quadratic sequence. We can use a graphing calculator to find the coefficients of each of the patterns.
<u>Exponential Sequence</u>
a[n] = 2·2^n -1
The sequence is 3, 7, 15, 31, 63, 127, 255, 511, 1023, 2047.
The 10th term is 2047.
<u>Quadratic Sequence</u>
a[n] = 2n^2 -2n +3
The sequence is 3, 7, 15, 27, 43, 63, 87, 115, 147, 183.
The 10th term is 183.
__
Based on the above, the only thing we can say about these sequences is that they are all odd numbers.
Clearly, the 10th term is not 30. 7 is not a multiple of 3, so that observation fails immediately. 15 is not prime, so that observation also fails immediately.
_____
<em>Additional comment</em>
The differences of first differences are called "second differences". The differences of those are "third differences". and so on. If you keep taking differences of a sequence described by a polynomial, the n-th differences being constant means the sequence is described by an n-th degree polynomial.
Here, if we assume the 2nd differences are constant at 4, then the sequence is described by a 2nd-degree polynomial. (Similarly, constant first-differences are described by a 1st-degree polynomial--a linear function.)
If sequential levels of differences are all exponential sequences, then the sequence itself is an exponential sequence. As here, it may have a vertical offset. The base of the exponential will be the common ratio of the differences. (Here, the first differences have a ratio of 8/4 = 2, so the sequence could be exponential with a base of 2.)
