Answer:
1 : 64
Step-by-step explanation:
Model:
1/2 in * 1/6 in = 1/12 in^2
Real:
1/3 ft * 1/9 ft = 1/3 * 12 in * 1/9 * 12 in = 16/3 in^2
model : real
1/12 / 16/3 = 1/12 * 3/16 = 3/192 = 1/64
model : real = 1 : 64
Step-by-step explanation:
A ; 2 × 12 = 3×4
B; 2 × 12 = 3×6
C ; 2 × 18 = 3×18
D; 2 × 36 = 3× 12
Answer:
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Answer:
67.5 deg
Step-by-step explanation:
A full circle is 2(pi) radians. It is also 360 degrees.
2(pi) radians = 360 deg
pi radians = 180 deg
3(pi)/8 rad * (180 deg)/(pi rad) = 67.5 deg