Lesley has $17 to spend, which she uses to buy a reference book. Write 2 points and solve an equation to show how much Lesley wi
ll receive in change. 
1 answer:
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Answer:
135 cm²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A = h(a + b)
where h is the height and a, b the parallel bases
Here h = 9, a = 13 and b = 17 , thus
A = × 9 × (13 + 17)
= 0.5 × 9 × 30
= 135 cm²