Answer:


Step-by-step explanation:
By geometric mean property:

We know that
a=9√2
b=9√2
a=b---------- <span>for having both angles of 45</span>
c²=a²+b²-------> (9√2)²+(9√2)²------>(324)-----------> c=√324=18
the answer is the option A 18 inches
3200÷100=32
Since each model is 100, you need 32 to model 3,200
I just did it in my calculator and got 10.8333333333
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