luvtnl63 luvtnl63
  • 09-12-2019
  • Mathematics
contestada

(need help on geometry w/pic )

4.Find the value of x and y so that ΔABC ≅ ΔDEF by HL

need help on geometry wpic 4Find the value of x and y so that ΔABC ΔDEF by HL class=

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musiclover10045
musiclover10045 musiclover10045
  • 09-12-2019

AB = DE:

5x + 2 = 8x - 10

Subtract 5x from both sides:

2 = 3x -10

Add 10 to both sides:

3x = 12

Divide both sides by 3:

x = 12/3

X = 4

Y = 5

BC = FE:

3y - 7 = 8

Add 7 to both 2ides:

3y = 15

Divide both sides by 3:

y = 15/3

y = 5

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