cale2
cale2
22-01-2018
Mathematics
contestada
Could someone help me please
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tynollette
tynollette
22-01-2018
Isosceles means RT=SU, ∠R=∠S=75, and ∠T=∠U
the four angles make a total of 360: 75+75+x+y=360
x=y=210
x=y=105
An easier way to look at it is ∠x+75=180
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