Ответ:
S = 240 см2
Объяснение:
a = 16, c = x, b = x - 4
За формулою вієта
c2 = a2 +b2
x2 = 16 + (x - 4)
x2 = 256 + x2 - 8x +16
x2 - x2 + 8x = 272
x = 34
c = 34
b = 34 - 4 = 3
S = a*b S = 16 * 30/ 2 = 240см2
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Ответ:
S = 240 см2
Объяснение:
a = 16, c = x, b = x - 4
За формулою вієта
c2 = a2 +b2
x2 = 16
+ (x - 4)
x2 = 256 + x2 - 8x +16
x2 - x2 + 8x = 272
x = 34
c = 34
b = 34 - 4 = 3
S =
a*b S = 16 * 30/ 2 = 240см2