Question

In this quadrant of radius 12cm, what is the length of the diagonal AC of the rectangle ABCD?
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Answer 1

Because ABCD is a rectangle, and AC is the diagonal, we know that the triangles ABC and CDA are similar.

Answer 2

What would the length of the diagonal DB be?

Answer 3

the same as the diagonal AC?

Answer 4

Yes, it is. What else do we know about the length of DB?

Answer 5

that it runs through the middle of the quadrant?

Answer 6

D is the center of the circle and B is a point on the circle.
Therefore, DB = ?

Answer 7

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Answer 8

DB=AC?