please solve this problem
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Answer:
157.5 cm²
Step-by-step explanation:
1/2 × (sum of parallel sides) × distance between the parallel sides.
=1/2×(23+12)×9 cm²
= 1/2×35×9 cm²
= 1/2×315 cm²
= 157.5 cm²
Hope it helps you.
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