Can someone please tell me what 54.5 + 48.51
1 answer:
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Step-by-step explanation:
the triangle URT is an Equilateral triangle so all angles are equal to 60°
and the full triangle UTS is a right angle .
5y= 90-60= 30°
y= 6
and since the triangle RST is an Isosceles triangle
so the angle RST and RTS are equal .
in this case =30° .