ciara180
ciara180 ciara180
  • 10-08-2018
  • Mathematics
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Please help. The question is in the picture. And can you also find the perimeter?
 I'm lost

Please help The question is in the picture And can you also find the perimeter Im lost class=

Respuesta :

mkryukova19 mkryukova19
  • 10-08-2018

For corresponding sides we can write

1) BN/PQ=AI/WE

10/4 = 12.5/(2x+1)

2x+1 = 12.5*4/10

2x+1 =5

2x=4

x=2

2) BN/PQ=IN/EQ

10/4 = 17.5/14z

14z = 17.5*4/10

14z = 7

z= 1/2 =0.5

3) BN/PQ=RB/OP

10/4=(y+5)/4.5

y+5 = 10*4.5/4=11.25

y=6.25

4) P(AINBR)=12.5+17.5+10+11.25+7.5 = 58.75

P(WEQPO)=5+7+4+4.5+3=23.5

Check: Ratio of the sides=ratio of the perimeters =2.5

BN/PQ=10/4=2.5

P(AINBR)/P(WEQPO)=58.75/23.5 =2.5.

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