Solving Oblique Triangles Flashcards
1
Q
A is acute and a=h
A
One right triangle
2
Q
A is acute and h<a></a>
A
Two triangles possible
3
Q
A is acute and a>b
A
One triangle possible
4
Q
A is obtuse and a<b></b>
A
No triangles possible
5
Q
A is obtuse and a> b
A
One triangle possible
6
Q
Law of cosines
A
A^2=b^2+c^2-2bccosA
7
Q
SAS area
A
A=1/2absinc
8
Q
S for Heron’s formula SSS
A
s=1/2(a+b+c)
9
Q
SSS area
A
A=square root s(s-a)(s-b(s-c)
10
Q
A is a acute and h>a
A
No triangles possible
