Question

Найди 1,2 и 3 буду благодарен

Answer 1

1) r=1/2*R=1/2*10=5

3)R = a√2/2

а, r = a/2.

d = a√2 = 2R

R = 6√2 = d/2 = a√2/2

a = 12

r = a/2 = 12/2 = 6