Vichien Lindsey
New member
- Joined
- Aug 25, 2005
- Messages
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Prove: if an isosceles triangle has an altitude from the vertex to the base, then the altitude bisects the vertex angle.
Given: angle ABC is isosceles; line CD is the altitude to base line AB
To Prove: line CD bisects angle C
Plan: _______?
Proof:
____________________________________________________________
Statements / Reasons
the triangle looks kinda like this c
Please help if u can, thanks
a---d---b [/img]
Given: angle ABC is isosceles; line CD is the altitude to base line AB
To Prove: line CD bisects angle C
Plan: _______?
Proof:
____________________________________________________________
Statements / Reasons
the triangle looks kinda like this c
Please help if u can, thanks
a---d---b [/img]