Answer:
20,30
Step-by-step explanation:
multiply by the factor for each one to get a bigger picture
Thickness of 1 quarter = 1.75 mm
So, 1000 quarters will be = 
= 1750 mm
So, a stack of 1000 quarters will be 1750 mm high.
you need to show the data first
Check the picture below.
the triangle has that base and that height, recall that A = 1/2 bh.
now as for the perimeter, you can pretty much count the units off the grid for the segment CB, so let's just find the lengths of AC and AB,


so, add AC + AB + CB, and that's the perimeter of the triangle.
Answer:I think the answer is E
Step-by-step explanation: