7-3 Triangles Flashcards
(10 cards)
1
Q
angle sum of triangle
A
The sum of the measures of the angles of any triangle is 180 degrees.
2
Q
congruent sides
A
congruent sides have the same length
3
Q
scalene triangle
A
a triangle with no congruent sides
4
Q
how do you classify a triangle
A
by the number of congruent sides it has and/or by its angle measures
5
Q
isosceles triangle
A
a triangle with at least two congruent sides
6
Q
equilateral triangle
A
a triangle with three congruent sides
7
Q
right triangle
A
a triangle with one right angle (90 degree)
8
Q
acute triangle
A
a triangle with 3 acute angles (less than 90 degrees)
9
Q
obtuse triangle
A
a triangle with one obtuse angle (greater than 180 degree)
10
Q
How do you solve for a missing angle in a triangle?
A
A1 + A2 + A3 = 180 degrees
