mcontreras40
mcontreras40 mcontreras40
  • 12-03-2021
  • Mathematics
contestada

can someone help me please...

can someone help me please class=

Respuesta :

0047569
0047569 0047569
  • 12-03-2021

Answer: 50

Step-by-step explanation:

Answer Link
adedamolaogunlela
adedamolaogunlela adedamolaogunlela
  • 12-03-2021

Answer:

Step-by-step explanation:

Multiply all lengths by 150÷100=1.5

New value of AB = 1.5 × 20cm=30cm

New value of AC = 1.5 ×21cm= 31.5cm

New value of BC = 1.5 ×9cm= 13.5cm

New perimeter of ∆A'B'C= 13.5cm +31.5cm +30cm= 75cm.

Answer Link

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