Answer:
-2
Step-by-step explanation:
Answer:
4000 squared is 16 000 000
40*7 = 280
Explanation:
4000^2 is 4000*4000
And 4*70 = 280
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9514 1404 393
Answer:
28 cm
Step-by-step explanation:
For the similar figures, a proportion can relate the side lengths.
x/(7 cm) = 11.2/2.8
x = (7cm)(11.2/2.8) = 28 cm
The value of x is 28 cm.