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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:?
 one year ago
 one year 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:?
 one year ago
 one year ago

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Brittni0605Best ResponseYou've already chosen the best response.0
Ohh, geometry..grr..not confident in helping with proofs. I'm sorry. Ask @jim_thompson5910
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
Hint: dw:1355350311633:dw
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
dw:1355350385782:dw
 one year ago

ze4lifeBest ResponseYou've already chosen the best response.0
what do u mean? explain plz
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
AC = BC because this is an isosceles triangle
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
CD = CD (reflexive property)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
and angle CDB is a right angle because CD is an altitude
 one year ago
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