In the right triangle shown, m\angle A=45\degreem∠A=45°m, angle, A, equals, 45, degree and AB = 12AB=12A, B, equals, 12.

How long is BCBCB, C?
Choose 1
Choose 1

(Choice A)
A
\sqrt{6}
6

square root of, 6, end square root

(Choice B)
B
666

(Choice C)
C
6\sqrt{2}6
2

6, square root of, 2, end square root

(Choice D)
D
121212

(Choice E)
E
12\sqrt{2}12
2

1

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never