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Justify the last 2 steps. Given: RS=UT and RT=US Prove RST=UTS Proof: 1. RS=UT given 2. RT=US Given 3. ST=TS ? RST=UTS ?
Justify the last 2 steps. Given: RS=UT and RT=US Prove RST=UTS Proof: 1. RS=UT given 2. RT=US Given 3. ST=TS ? RST=UTS ?