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LAST QUESTION with picture pls help
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LAST QUESTION with picture pls help

LAST QUESTION with picture pls help-example-1
User Joslarson
by
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1 Answer

1 vote

Answer:

2.57 cm

Explanation:

sides of full frame with photo:

2x+16 and 2x+10

Area A= (2x+16)(2x+10)

Area of photo alone P= 16*10

As per question: A=2P

  • (2x+16)(2x+10)= 2*16*10
  • 4(x+8)(x+5)=2*2*8*10
  • x²+13x+40=80
  • x²+13x-40=0
  • solving this we get x= 2.57 cm

User John Evans
by
3.5k points
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