Triangles Flashcards
Can a righ triangle be scalene
Yes
Can isosceles triangle be obtuse
Yes
Can acute triangle be isosceles
Yes
Can equilateral be right
No
Can obtuse triangle be scalene
Yes
Can equilateral be obtuse
No
Relationship between isosceles and equilateral
Subset
I inside
Relation between isosceles and right
Intersecting
Relation between right triangle and equilateral
Disjoint
Relation between scalene and obtuse
Intersecting
A right triangle is scalene
Sometimes
Supplementary angles are equal
Sometimes
Relation between acute and equilateral
Subset
E in middle
Measurement of interior angles
(N-2)180/n
Measure exterior angles
360/N
Corresponding angles
Share relative location at each intersection
Alternate interior angles
Equal
Same side interior angles
Supplementary