Answer:
Since we know that ABCD ~ EFGH, we have the ratios:
EF/AB = GH/CD
=> 0.4/1.2 = x/1.8
=> x = (1.8 . 0.4)/1.2 = 0.6
So x = 0.6
answer:

explanation:
the area of the larger square is 36 (6*6), and the area of the smaller square is 16 (4*4). to find the ratio of the area, simply just put 16 over 36 and simplify.

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Answer:
hope it helps and u understand
check the steps in picture attached
Answer: 48 r0
Step-by-step explanation: JUST IMAGINE THE LINES
7 ÷3 3 6
− 0
3 3
− 2 8
5 6
− 5 6
0