Posted by **alexis** on Monday, December 9, 2013 at 1:48am.

Which tirangles must be similar

1. Two right triangles with a congruent acute angle

2. Two obtuse angles

3 Two isosceles triangles with congruent bases

4. Two scalene triangles with a congruent angle

- help me pls geometry -
**Steve**, Monday, December 9, 2013 at 5:01am
#1. If the acute angle is equal, then all the angles are equal.

- help me pls geometry -
**khadijah**, Monday, December 9, 2013 at 7:54am
After drawing four squares, Chen completed this chart showing the length of the sides of each square and the area of each square. According to Chenâ€™s chart, if A is the area and s is the length of a side, what can you conclude is the formula for the area of a square?

Side Length Area

1 1

2 4

3 9

4 16

- help me pls geometry -
**Steve**, Monday, December 9, 2013 at 12:21pm
A=s^2

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