Answer:
Explanation:
Ok: So A is similar to B put different ratios
1. Look at sides
A has one side 12cm while B has the same side 9 cm
9:12 is the ratio or 9/12= 3/4
Sides B is 3/4 of A
2. Caculate
W= 3/4*7=
w=21/4cm
or
w= 5 1/4 cm
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