Sabrina is building a bookend from two identical wooden rectangular prisms as shown in the figure. What is the volume of wood used in Sabrina’s bookends?

Not a question, but an answer.

B. 640

Why though? Many may have chosen 340 by doing 4*4*20. But because there are two shapes, we must multiply this number by two.

320*2=640

Find two consexutive odd integers such that the sum of their square is 650

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.

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