Answer:
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Answer:
∠ BCA = 45°, ∠ AWD = 90°
Step-by-step explanation:
All angles are right angles by definition.
Diagonals bisect the angles , so
∠ BCA = 45°
Diagonals are perpendicular bisectors of each other, so
∠ AWD = 90°
R=5
A=πr^2
The area of the circle ≈78.54
Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3
Step-by-step explanation:
Letter B is not true.
You have to follow the ORDER of the congruence statement to be sure the angle in the middle of each statement lines up with each triangle.
