Hello! :)

We can use the following area to solve for the area of the trapezoid pictured:

Where:
h = height
b1 = bottom base
b2 = top base
Plug in the given values:

Simplify:

Answer:
5.0E + 12
Step-by-step explanation:
I don't do conversions but i tried my best to help
Answer:
12
Step-by-step explanation:
divide 90 by 3 then take that and divide it by 5 then multiply that by 3 then subtract that from the answer of 90 divide by 3
I think it’s 0.1
1 pizza divided 10 slices = 0.1