Applet 1
1. What is the sum of all the interior angles of a triangle? (Hint: Try adding angle A, angle B, and angle C)
180
2. Is line BA and line CA congruent? How so?
Yes, because they have the same measure.
3. Is the present triangle an isosceles triangle? Why so?
Yes, because base on the definition of an isosceles triangle, a triangle is an isosceles triangle if it has congruent sides.
4. With point C at coordinate (2, 0), what can you say about the angles opposite the congruent sides?
The angles are both 56.31, that means the angles opposite of the congruent sides are congruent
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Information: Applet 1