Question

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

Answer 1

Answer:

see explanation

Step-by-step 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 = $\frac{1}{2}$ × ∠ BCD = $\frac{1}{2}$ × 90° = 45°

∠ AWD = 90°