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B<span>oth triangles are 30 60 90 triangles.
Perhaps the way to prove this is by showing that (AD/BD) and (AD/ A1D) and (A1 A / AB) all equal (2 / Sq root (3)) = 1.155</span>
Answer:
Area : 27.5
Perimeter : 20
Step-by-step explanation:
All sides of a regular pentagon have the same length
1 side = 4
4x5 = 20 = Perimeter
Pentagon area formula :
1/4(sqrt(5(5+2sqrt(5)))x)
Plug x in (side length)
27.53
round to nearest tenth
27.5
Slope of the line that passes through the two point is -2/7
