The doorstop is a triangular prism. volume of the triangular prism is the area of the base times the height
area of the base: 1/2 * 10*6=30cm²
height: 2.5cm
Volume: 30cm²*2.5cm=75cm³
weight: 75cm³*8.6g/cm³=645 grams
Answer:
she was left with 28$ I'm in high school i think I'm right
Step-by-step explanation:
Answer:
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Step-by-step explanation:
10*3 = 30 (three rows of fences)
30*1.75 = $52.5
Hope this helps! :)
Answer:

Step-by-step explanation:
Here we are given that
r=1+2sin
we know that the polar cordinates are represented as
x=rsin
y=rcos
Also squaring both and adding them gives you ,

Hence
also r=1+2sin
1+2sin
=
Also ,
r = r=1+2sin
also sin
= 
Hence replacing sin
we get
