Answer:
52
Step-by-step explanation: also good morning
n - the number
The equation:
2n + 3 = n + 9 |-3
2n = n + 6 |-n
<u>n = 6</u>
Option D.
Step-by-step explanation:
The given vertices of a polygon are D(-4,5),E(-1,5),F(1,2), and G(-1,-1).
Here, number of vertices is 4.
In heptagon, number of vertices = 7
In hexagon, number of vertices = 6
In octagon, number of vertices = 8
In quadrilateral, number of vertices = 4
Since the given polygon has 4 vertices, therefore it is a quadrilateral.
Hence, option D is correct.
B. 64:25
the ratio of the surface areas =
(8)² : (5)² = 64 : 25
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