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Does anybody know this? I think know the second one but I'm not sure. ABCD is a square find the following.

Does anybody know this? I think know the second one but I'm not sure. ABCD is a square-example-1

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Answer:

see explanation

Explanation:

in a square

• all sides are congruent

• all angles are right

• diagonals bisect the angles

• diagonals are perpendicular bisectors of each other

Then

∠ BCA =
(1)/(2) × ∠ BCD =
(1)/(2) × 90° = 45°

∠ AWD = 90°

User Ishimwe
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