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Mathematics 18 Online
OpenStudy (azzie7410):

How could you prove triangles ABC and DEF are congruent?

OpenStudy (azzie7410):

OpenStudy (kgrendel0324):

look at the degrees of the triangles.

OpenStudy (azzie7410):

the answer choice is sss aas or sas

OpenStudy (welshfella):

how many angles are equal?

OpenStudy (azzie7410):

3

OpenStudy (welshfella):

no how many sets of angle are equal

OpenStudy (welshfella):

just check how they are marked

OpenStudy (azzie7410):

i don't get it like at all

OpenStudy (welshfella):

one set are marked with a square and the other by an arc

OpenStudy (azzie7410):

ok

OpenStudy (kgrendel0324):

Go here... get one wrong... and look at the diagram at the bottom. https://www.ixl.com/math/geometry/sss-sas-asa-and-aas-theorems

OpenStudy (welshfella):

maybe you are overthinking this . Its simply that 2 angles in one triangle are equal to 2 corresponding angles in the other one.

OpenStudy (welshfella):

- this is 'AA ' again - as in the last question

OpenStudy (welshfella):

the square bit indicates that the angles are both right angles (90 degrees).

OpenStudy (azzie7410):

so its aas

OpenStudy (welshfella):

yes s meaning that one side in each are equal to.

OpenStudy (welshfella):

- the 2 bottom sides. are also marked equal.

OpenStudy (welshfella):

gtg

OpenStudy (robtobey2):

Angle side angle.

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