Answer:
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Step-by-step explanation:
Answer:
7 cm²
Step-by-step explanation:
Area of a triangle = (Base * hight) / 2
A = (2* 7) /2 = 14/ 2 = 7 cm²
Is This Substitution?
Cause if it is, then Y = 3x - 4
Y = 4 + x
= (4, 8)