Answer:
B. 45 = 3x
x = 15
Explanation:
3 triangles worth "z" value each, is equal to 1 square equivalent to 45 in value. This means that 3z = 45. This means that z = 15, becuase, 3 * 15 = 45.
z=15
45 = 3z Because there are three z's, equal to one 45.
45 = 3z
z = 15
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