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In △JKL and △PQR, if ∠J = 2∠P, ∠K = 2∠Q, and ∠L = 2∠R, then △JKL must be congruent to △PQR.

A. True
B. False

Sagot :

GinnyAnswer
To determine whether triangles AJKL and APQR are congruent, we need to check whether all corresponding sides and angles of the two triangles are equal.

Given information:
1. Angle J is twice angle P: [tex]\(J = 2P\)[/tex].
2. Angle ZK is twice angle Q: [tex]\(ZK = 2Q\)[/tex].
3. Angle ZL is twice angle R: [tex]\(ZL = 2R\)[/tex].

For two triangles to be congruent, the following criteria must be met:
1. All corresponding angles must be equal.
2. All corresponding sides must be equal.

Congruence of triangles can be established using several criteria:
1. SSS (Side-Side-Side): All three sides in one triangle are equal to their corresponding sides in the other triangle.
2. SAS (Side-Angle-Side): Two sides and the included angle in one triangle are equal to two sides and the included angle in the other triangle.
3. ASA (Angle-Side-Angle): Two angles and the included side in one triangle are equal to two angles and the included side in the other triangle.
4. AAS (Angle-Angle-Side): Two angles and a non-included side in one triangle are equal to two angles and the corresponding non-included side in the other triangle.
5. HL (Hypotenuse-Leg) for right triangles: The hypotenuse and one leg in one right triangle are equal to the hypotenuse and one leg in the other right triangle.

Given the conditions [tex]\(J = 2P\)[/tex], [tex]\(ZK = 2Q\)[/tex], and [tex]\(ZL = 2R\)[/tex], these conditions suggest that:
1. The angles in one triangle are multiples of the corresponding angles in the other triangle.

However, this information alone does not provide any evidence about the lengths of the sides of the triangles.

For congruence, it is insufficient to simply have proportional angles:

1. [tex]\(J = 2P\)[/tex] tells us that angle J in triangle AJKL is twice angle P in triangle APQR.
2. [tex]\(ZK = 2Q\)[/tex] tells us that angle ZK in triangle AJKL is twice angle Q in triangle APQR.
3. [tex]\(ZL = 2R\)[/tex] tells us that angle ZL in triangle AJKL is twice angle R in triangle APQR.

Given this information, there is no guarantee that the corresponding sides of the triangles are equal or proportional, hence, we cannot confirm that the triangles are congruent.

Therefore, the correct answer is:
B. False
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