demonslayer2077 demonslayer2077
  • 09-01-2020
  • Mathematics
contestada

what is X= and what does Y=​

what is X and what does Y class=

Respuesta :

josshyaby
josshyaby josshyaby
  • 10-01-2020

Answer:

Step-by-step explanation:

<RTQ = <RQT = 55° = y {isosceles triangle are equal}

<QST = <STQ = x {isosceles triangle}

: 2x + 86° = 180° {sum of angle in a triangle is 180°}

2x = 180° - 86°

2x = 94°

x = 94/2

x = 47°

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