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I don't know how to do these sort of problems... Can someone help me out? △ABC is similar to △RST . In addition,  m∠C=76°  and  m∠S=3(m∠A) .   What is m∠A ?
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I don't know how to do these sort of problems... Can someone help me out?

△ABC is similar to △RST . In addition,  m∠C=76°  and  m∠S=3(m∠A) .   What is m∠A ?

User Valid
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180=76+4x
180-76=4x
104=4x
104/4=x
26=x
Measurement A= 26
User Ruth Young
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