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4 years ago

12

I need help on this.

1 answer:

ASHA 777 [7]4 years ago

5 0

Answer:

x=75

Step-by-step explanation:

if the polygons are similar

40 30

------- = --------

100 x

using cross products

40x = 30*100

40x =3000

divide by 40

40x/40 = 3000/40

x =75

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