#### Answer

120 ft$^2$

#### Work Step by Step

h$^2$=10$^2$-6$^2$
h$^2$=100-36=64
h=8
A=bh
A=15(8)
A=120 ft$^2$

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Brooks Cole

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120 ft$^2$

h$^2$=10$^2$-6$^2$
h$^2$=100-36=64
h=8
A=bh
A=15(8)
A=120 ft$^2$

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