ds
This topic has expert replies
-
- Legendary Member
- Posts: 1085
- Joined: Fri Apr 15, 2011 2:33 pm
- Thanked: 158 times
- Followed by:21 members
IOM e
st(1) implies angle ABC=angle CAD (let's denote this as 'a') Insuff
st(2) provides only angle ADC=70` Insuff
combining we know ADC=CAD=70` and ACD=180-140=40`. Then CAB+BCA=180-70=110`. From the latter angle BAD could be anything from 70+ to 180- Insuff
st(1) implies angle ABC=angle CAD (let's denote this as 'a') Insuff
st(2) provides only angle ADC=70` Insuff
combining we know ADC=CAD=70` and ACD=180-140=40`. Then CAB+BCA=180-70=110`. From the latter angle BAD could be anything from 70+ to 180- Insuff
- Attachments
-
Success doesn't come overnight!