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Mathematics 11 Online
Rose07:

Can someone please help me with these?

Hero:

@Rose07 which of these were you able to solve on your own?

Rose07:

None of them because we're doing online school and I never learned how to do this.

Hero:

Hero:

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Hero:

There you go. A summary of all the Triangle Congruence Postulates/Theorems.

Rose07:

That still doesn't really help me because I don't understand any of it.

Hero:

The tick marks indicate which sides of a triangle is congruent to the side of the other triangle with the same number of tick marks. For the first Postulate, SSS (Side Side Side) All three sides of a triangle has tick marks which a matching set of tick marks for the second triangle. This means that all three sides are congruent.

Hero:

For the second Postulate SAS - Side Angle Side, Two sides have tick marks and the angle between them is also marked. Both triangles indicate this. So they are congruent by SAS.

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