ответ: 1)15 2)0.5
Объяснение:
1) 20 * 27 = 36x
x = 20*27/36 = 15
2)S2 = 0.5a * 0.5h *0.5 = 0.125ah = 0.125
S1 = S - 4S2 = 1 - 4 * 0.125 = 1 - 0.5 = 0.5
ответ: 1)15 2)0.5
Объяснение:
1) 20 * 27 = 36x
x = 20*27/36 = 15
2)S2 = 0.5a * 0.5h *0.5 = 0.125ah = 0.125
S1 = S - 4S2 = 1 - 4 * 0.125 = 1 - 0.5 = 0.5