Answer:
Sam is right. shape A which is cylinder has uniform cross section.
Explanation:
what is uniform cross section?
uniform cross section is when cut through an object and the bases are similar.
solution:
For cylinder:
when we cut a cylinder, its in a circle shaped and have similar bases - thus have uniform cross section.
For pyramid:
when we cut a pyramid it is in rectangle shape and this changes as we go up or down the pyramid and does not have uniform cross section.
Answer:
98.13
Step-by-step explanation:
18 boys represents the boys
<span>The area of a triangle is 6.75 m^2
=> (1/2) x base x height=</span>6.75 m^2
=>(1/2) x 3 x <span>height = </span>6.75
=><span>height = (</span>6.75x2)/3= 4.1
so the height is 4.1m
Answer: 13 groups
Step-by-step explanation:
78/6 = 13