Розрахунок: 6XosV6 - 1
d_1^2+ d_2^2 =
4* a^2
4* a^2
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d_1^2+ d_2^2 = 4* a^2$$d_{1}^{2}+d_{2}^{2}$$ = $$4\cdot a^{2}$$
d_1^2 = 4* a^2- d_2^2$$d_{1}^{2}$$ = $$4\cdot a^{2}-d_{2}^{2}$$
d_1 = saknis( 4* a^2- d_2^2)$$d_{1}$$ = $$\sqrt {4\cdot a^{2}-d_{2}^{2}}$$
4* a^2- d_2^2)$$d_{1}$$ = $$\sqrt {4\cdot a^{2}-d_{2}^{2}}$$