2 years ago

What is the answer to this?

Mathematics

1 answer:

OlgaM077 [116]2 years ago

6 0

Answer:

Step-by-step explanation:

Note how this drawing is symmetrical about a horizontal line drawn halfway between AB and CD and passing through the origin.

Line AB has been subdivided into two equal pieces of length 15, so the length of AB is twice 15, or 30. Due to the symmetry shown, line CD has the same length: 30.

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