Math  /  Geometry

Question0 W
Using the AAS Congruence Theorem, what other information proves BIGCOW\triangle B I G \cong \triangle C O W ? (1 point) BICO\overline{B I} \cong \overline{C O} IO\angle I \cong \angle O BGCW\overline{B G} \cong \overline{C W} GBWC\overline{G B} \cong \overline{W C}

Studdy Solution

STEP 1

What is this asking? Figure out which piece of information, when combined with two angles, shows that BIG\triangle B I G is congruent to COW\triangle C O W using the Angle-Angle-Side (AAS) Theorem. Watch out! Don't confuse the AAS Theorem with other congruence theorems like SAS or ASA.
We need two angles and a non-included side!

STEP 2

1. Understand the AAS Congruence Theorem
2. Identify the given angles
3. Determine the necessary side

STEP 3

The AAS Congruence Theorem tells us that two triangles are congruent if two angles and a non-included side of one triangle are equal to two angles and a non-included side of another triangle.
This means we need to find two pairs of equal angles and one pair of equal sides that is not between them!

STEP 4

We are told that IO\angle I \cong \angle O.
This is one pair of angles.
We need another pair of angles to use the AAS Theorem.

STEP 5

Since we have IO\angle I \cong \angle O, we need to find a side that is not between the two angles.
The side should be opposite one of the angles.

STEP 6

The side opposite I\angle I in BIG\triangle B I G is BG\overline{B G} and the side opposite O\angle O in COW\triangle C O W is CW\overline{C W}.
Therefore, if BGCW\overline{B G} \cong \overline{C W}, we can use the AAS Theorem to prove the triangles are congruent!

STEP 7

The missing piece of information is BGCW\overline{B G} \cong \overline{C W}.

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