Expression 3: "H" Subscript, "y" "p" "o" "t" "e" "n" "u" "s" "e" , Baseline equals StartFraction, 24 left parenthesis, 24 minus 4 , right parenthesis Over left parenthesis, 24 minus 4 , right parenthesis cos alpha , EndFraction equals 26Hypotenuse=2424−424−4cosα
equals=
2626
3
Expression 4:
4
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Center:
center: left parenthesis, 0 , 0 , right parenthesis0,0