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OpenStudy (anonymous):
I have no idea how to do this... can someone please explain it to me?
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OpenStudy (anonymous):
what
OpenStudy (anonymous):
OpenStudy (cwrw238):
you need to prove that triangles ABC and CDE are congruent BC = CE and AC = DC (given) angle ACB = angle ECD (as they are vertical angles) therefore triangles ABC and CDE are congruent hence side AB = side DE
OpenStudy (cwrw238):
triangles ABC and CDE are congruent by SAS
OpenStudy (cwrw238):
triangles ABC and CDE are congruent by SAS
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OpenStudy (cwrw238):
- this is how we word these proofs in UK - i notice US use different symbols
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