TRIANGLES Flashcards
1
Q
3 acute angles, 1 obtuse, 1 right, 3 congruent
A
acute triangle, obtuse, right, equiangular
2
Q
3 congruent sides, 2 congruent sides, no congruent sides
A
equilateral, isoceles, scalene
3
Q
what is the distance formula?
A
d = \sqrt{(x_2 - x_1)^2 + (y_2-y_1)^2}
4
Q
what do all equilateral triangle angles equal to
A
60 degrees
5
Q
How do you find if 3 side lengths can be a triangle?
A
add the two smaller sides and see if they are more than the third
6
Q
What is the exterior angle theorem?
A
the exterior angle equals angle one and two
