Solve the system of equations by subsitution. b = 4a +2 12a - 3b = -6
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Answer:
Step-by-step explanation:
Area of shaded region= area of rectangle- area of triangle
Area of rectangle= l×b
=9×3
= 27m²
Area of triangle= b×h
= ×3×3
= ⇒4.5
Area of shaded region= area of rectangle- area of triangle
=27-4.5
=22.5m²