Question

Допоможіть будь ласка!

Answer 1

$a= \frac{D}{ \sqrt{2}} = \frac{2R}{ \sqrt{2}} = \frac{2R* \sqrt{2} }{ \sqrt{2}* \sqrt{2} } = \frac{2R* \sqrt{2} }{2} =R* \sqrt{2}$
R = D/2 = 60/2 = 30
a = 30√2 ≈ 42,426