S=ah
По теореме Пифагора находим а
a = 8-x
6^2 - 4^2 = 8-x
20 = 8-x
x = 12
a=12
S= 12*4
S = 48
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S=ah
По теореме Пифагора находим а
a = 8-x
6^2 - 4^2 = 8-x
20 = 8-x
x = 12
a=12
S= 12*4
S = 48