Answer:
○ B. [tex]525\:square\:units[/tex]
Step-by-step explanation:
All sides meet at right angles, so when split up, you have this:
[tex]525 = 98 + 21 + 154 + 252 = 7 \times 14 + 3 \times 7 + 11 \times 14 + 9 \times 28[/tex]
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