i need your help for 10 points and maybe a crown

Answer:
288
Step-by-step explanation:
[tex]6 \times 8 \times \frac{1}{2} \times 2 + 6 \times 10 + 8 \times 10 + 10 \times 10 = 288[/tex]
Answer:
288 sq cm
Step-by-step explanation:
Hope this helps!!
Please mark brainliest.