Because 2 squares equal a meter u have to do four up down one. (Front elevation)
Then just four by one square on second row down(side elevation)
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DF =DE + EF
4x-8 = x-4 + 2x+5
4x - 8 = 3x + 1
4x - 3x = 1 + 8
x = 9
Vertex<span> typically means a corner or a point where lines meet for an example i guess you can say squares have four corners, each is called </span>a vertex<span>. The plural form of </span>vertex<span> is </span>vertices<span>.</span>
Answer: 1st # n=35
2nd # n+2=37
Step-by-step explanation:
n= 1st #
n+2= 2nd #
n+n+2=72
2n+2=72 ( combine like terms)
2n+2-2=72-2
2n=70
2n/2=72/2
n=35