Triangles ABC and DEF are congruent. By what postulate can this be proven true?
Side Side Side
100
If a triangle is acute, what is a possibility of the angle measures?
60-60-60
100
what is the pythagorean theorem?
A squared+B squared=C squared
200
what is another way to classify triangles?
side lengths.
200
how an interior angle formed?
it is formed by two sides of a triangle.
200
Triangle FBD and triangle GHT have one congruent side FB and GH. Also angles T and D are congruent and so are H and B. What postulate can you use to prove this to be ture?
Angle Angle Side
200
If a triangle is equilateral, it is also ____________.
equiangular.
200
with the numbers: 8,9, and 10, could it be a pythagorean triple?
yes.
300
what are two examples of classified triangles by angle measures?
acute, equilangular, right and obtuse triangle.
300
how is an exterior angle formed?
formed by one side of the triangle and the extension of an adjacent side.
300
Triangles AJK and TYR have two angles that are congruent angles A and angle T. The sides YR and JK are the same lengeth and so are AK and TR? By what postulate can this be proven?
Side Angle Side
300
Can an obtuse triangle be scalene?
Yes
400
what are two examples of classified triangles by side lengths?
equilateral, isosceles, and scalene triangle.
400
what is ann remot interior angle?
an interior angle that is not adjacent to the exterior angle
400
The right triangles NMB and LKD are congruernt. Can this be proven true by Hypotenuse Leg Postulate?
Yes
400
if an equilateral triangle can be an isosceles triangle, can an isosceles triangle be an equilateral triangle? explain.
No, to be an equilateral triangle would have to have three congruent sides, not just two.
500
if an angle of a triangle is 90 degrees, with two other acute angles, what is the classification of this triangle?
right triangle.
500
what is the third angle theorem?
if two angles of one triangle are congruent to two angles of another triangle, then thrid pair of triangles are congruent.
500
Find the side lengths of equilateral triangle FGH.
FG = 3y-4
GH = 2y+3
FH = 5y-18