4 years ago

Name the corresponding sides and the corresponding angles

2 answers:

4 0

Follow the order of the vertices in the statement of congruence.
Vertex A corresponds to vertex C.
Vertex B corresponds to vertex D.
Vertex C corresponds to vertex E.

Corresponding sides:
AB, CD
BC, DE
AC, CE

Corresponding angles:
<A, <DCE
<B, <D
<BCA, <E

Artemon [7]4 years ago

3 0

Side are AB, CD and BC, DE and AC , CE.

Angles are ABC , CDE and BAC, DCE and BCA, DEC

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Let v1 = -4

just olya [345]

We're told (and we can confirm) that $v_3=2v_1-3v_2$ , so $v_3$ is a linear combination of the other two vectors.

This means H is sufficiently spanned by $\{v_1,v_2\}$ ; no need for the third vector.

But this also means we can write either $v_1$ as a linear combination of $\{v_2,v_3\}$ , and $v_2$ as a lin. com. of $\{v_1,v_3\}$ . So any set of these three vectors taken two at a time will span the subspace H. Hence all of b, c, and d are acceptable.