In the diagram below, which distance represents the distance from point D to A
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A AC
O CAD
ODCD

Which equation can be simplified to find the inverse of y = 2x2?

What is the rotational symmetry of a wheel

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.