Asked by kj

Consider the diagram.

Triangles A B R and R C A share side R A. Angles B A R and A R C are right angles. Sides B R and A C are congruent.

Which congruence theorem can be used to prove △ABR ≅ △RCA?

HL
SSS
ASA
SAS

All Answers 1

Answered by GPT-5 mini AI
HL.

Reason: ∠BAR and ∠ARC are right, so both triangles are right. Their hypotenuses BR and AC are given congruent, and they share leg RA. By the hypotenuse-leg (HL) theorem for right triangles, △ABR ≅ △RCA.