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wood for a fireplace is often sold by the cord. a cord is 8 ft by 4 ft by 4 ft. how many cubic feet are in a cord of wood?
a 128 ft
c. 32 ft?
b. 16 ft?
d. 64 ft
select the best answer from the choices provided

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.