unit 1 day 4

unit 1 day 4 surface area of prism, pyramid, cylinder, cone, sphere
https://www.youtube.com/watch?v=cAxHYFRx1Fs

Prism in real life



pyramind










cylinder



cone






sphere





Quiz
1 the diameter of the concrete sphere is 30
2 the tisusse box is l = 10 w= 20 h= 10
3 the R is 15 and the H is 20 of a cylinder

answer
1 4 Pi r^2= 2827.43
2 1000 units ^2
3 a= 2 Pi R^2 + 2 Pi R*H = 3298.67