Enter the value for x that makes the equation -4 (5 - x) + 7x = 189 true.
1 answer:
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Answer:
A = 18 units²
Step-by-step explanation:
The area (A) of a trapezium is calculated as
A = h ( b₁ + b₂ )
where h is the perpendicular height and b₁, b₂ the parallel bases
By counting squares
h = 3, b₁ = 3, b₂ = 9 , then
A = × 3 × (3 + 9) = 1.5 × 12 = 18 units²
