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anonymous
 3 years ago
prove:if an isosceles triangle has an altitude from the vertex to the base,then the altitude bisects the vertex angles
given:ABC is isosceles;CD is the altitude to base AB
to prove:CD bisects <ACB
plan:?
anonymous
 3 years ago
prove:if an isosceles triangle has an altitude from the vertex to the base,then the altitude bisects the vertex angles given:ABC is isosceles;CD is the altitude to base AB to prove:CD bisects <ACB plan:?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1355266119270:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Ohh, geometry..grr..not confident in helping with proofs. I'm sorry. Ask @jim_thompson5910

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1Hint: dw:1355350311633:dw

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1355350385782:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0what do u mean? explain plz

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1AC = BC because this is an isosceles triangle

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1CD = CD (reflexive property)

jim_thompson5910
 3 years ago
Best ResponseYou've already chosen the best response.1and angle CDB is a right angle because CD is an altitude
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