NETS & PYRAMIDS TRUE or FALSE?

A#14-1 NAME____________________________________DATE__________________PER._______ NETS & PYRAMIDS TRUE or FALSE? Use the square pyramid below to determine whether each statement is true or false (circle one). If false, tell why.

6 POINTS EACH

P 1. TRUE or FALSE

ON is a lateral edge.

If FALSE, why? O 2. TRUE or FALSE

QR is half the length of OL.

If FALSE, why?

3. TRUE or FALSE If FALSE, why?

Match each net with its correct name. __________4. Square Pyramid

A.

___________5. Triangular Prism

B.

__________6. Triangular Pyramid

C.

__________7. Rectangular Pyramid

D.

R

Q L

PR is the height of the pyramid.

N

M

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6 POINTS EACH

Find the indicated lengths. 8. l = _______________

Find the slant height. 16 yd

24 yd 24 yd

9. h = _______________

Find the height. 13 in

10 in 10 in

10. l = _______________

If the height is 6 cm, find the slant height.

16 3 cm

11. h = _______________

The perimeter of the base is 84 3 m. Find the height.

6 POINTS EACH

50 m

TAKS PRACTICE Find the correct answer to each of the following. Clearly circle or bubble in your answers as appropriate. Work must be shown in order to receive credit. 12. Which three-dimensional figure has A. Rectangular prism exactly 6 vertices and exactly 5 faces? B. Triangular prism C. Hexagonal prism D. Square pyramid

6 POINTS EACH

13. The cost of being a member of John’s Photo Company is a $25 membership fee plus $3 per roll of film developed. This can be represented by the function c = 25 + 3r. Which of the following is the independent quantity? A. The cost per roll of film B. The $25 membership fee C. The total cost per year of film developing D. The number of rolls of film

14. Three consecutive even integers have a sum of –78. Which of the following equations could be used to solve for the integers? A. x – (x + 2) – (x + 4) = -78 B. x + x + 2 + x + 4 = -78 C. –x – (x + 2) – (x + 4) = -78 D. Not Here

15. Which of the following is not a linear function? A. y = x B. 6x + 4y = 18 C. {(-1, 2), (1, 2), (-2, 4), (2, 4)} D. {(-3, 4), (-5, 6), (-7, 8)}

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