Question

Помогите пожалуйста!​

Answer 1

$S = \frac{1}{2} d_1d_2= \frac{1}{2} *6*8= 24\\p = \frac{a+a+a+a}{2} = 2a\\a = \sqrt{(\frac{d_1}{2})^2+(\frac{d_2}{2})^2 } = \sqrt{(\frac{6}{2} )^2+(\frac{8}{2})^2 } =5\\p = 2 * 5 = 10\\r = \frac{S}{p} = 24/10 = 2,4$