The two pentagons shown are similar.
8 cm
87°
87°
9 cm
8 cm
16 cm
3 cm
6 cm
*not drawn to scale
What is the value of x?
A 6 cm
B. 9 cm
C 12 cm
D. 14 cm
just add the numbers then put the negative sign on it
Answer from: Quest
the answer is:
mean: 6
mad: 2.14
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The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?
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