math unit 3 test 1

Question 1

how you get the volume and surface area of a cube

Answer 1

v= side to the power of 3
SA= 6 x side to the power of 2

Question 2

how you get the volume and surface area of a sphere

Answer 2

V=(4/3 x 3.14 x r) x (4/3 x 3.14 x r) x (4/3 x 3.14 x r)
SA = (3.14 x 3.14 x 3.14 x 3.14) x r to the power of 2

Question 3

how you get the volume and surface area of a cylinder

Answer 3

V= 3.14 x r to the power of 2 x h
SA= 2 x 3.14 x r to the power of 2
+ 2 x 3.14 x r x h

Question 4

how you get the volume and surface area of a cone

Answer 4

V= 1/3 x 3.14 x r to the power of 2 x h
SA= 3.14 x r to the power of 2

Question 5

how you get the volume and surface area of a triangler prisim

Answer 5

V=Bh
SA=2x0.5ba+ch+bh+dh

Question 6

how you get the volume and surface area of a rectangular prisim

Answer 6

V=lwh
SA=2lw+ 2lh+2wh

Question 7

how you get the volume and surface area of a triangular pyramid

Answer 7

v=1/3Bh
SA=4 x 1/2 x ba

Question 8

how you get the volume and surface area of a pryramid

Answer 8

V=1/3Bh
SA=B + 1/2 Pl

Question 9

how you get the volume and surface area of a parallelepiped

Answer 9

v=abh
SA =sum of all sides