Answer:
SSS
Step-by-step explanation:
Since AT and AK would assumingly be the same size to be equal to each other.
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5.76
a. factor A = x^2 -30x + 225 = (x - 15)(x - 15)
side length =<u> (x - 15)</u>
b. add (x - 15) four times = 4(x - 15) =<u> 4x - 60</u>
166
A=2(wl+hl+hw)=2·(4·5+7·5+7·4)=166