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Instruction: Calculate the surface area of the triangle Formula: A (triangle) = 0.5 x base x height = 0.5 xbxh Given: 1. Base=5cm Height=4cm 2. Base= 7cm Height=5cm 3. Base=6m Height=3m 4. Base=8cm Height=6cm 5. Base=9cm Height=7cm 6. Base 10m height=6m 7. Base-9cm height=ecm 8. Basem height=3m 9. Base=11m height=8m 10. Base=12m height=10m​