Объяснение:
По теореме Пифагора:
a^2+b^2 = c^2
bc^2+hc^2 = b^2
ac^2+hc^2 = a^2
S = 1/2*a*b = 1/2*c*hc => hc = a*b/c
1)
Подставляем получаем
c = 10
hc = 4,8
ac = 3,6
bc = 6,4
2) b = 12
hc = 60/13
ac = 1 12/13
bc = 11 1/13
3)a = 7
hc = 6,72
ac = 1,96
bc = 23,04
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Answers & Comments
Объяснение:
По теореме Пифагора:
a^2+b^2 = c^2
bc^2+hc^2 = b^2
ac^2+hc^2 = a^2
S = 1/2*a*b = 1/2*c*hc => hc = a*b/c
1)
Подставляем получаем
c = 10
hc = 4,8
ac = 3,6
bc = 6,4
2) b = 12
hc = 60/13
ac = 1 12/13
bc = 11 1/13
3)a = 7
hc = 6,72
ac = 1,96
bc = 23,04