9. What is the length of the
2 answers:
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Answer:
B
Step-by-step explanation:
The figure is a trapezium with area (A) calculated as
A = h (a + b)
where h is the perpendicular height and a, b the parallel bases
Here h = 8, a = 10 and b = 6, thus
A = × 8 × (10 + 6) = 4 × 16 = 64 cm² → B
The answer is A.) 21x/^3y
Here is proof
