Question

A
$3 \sqrt{2}$

B
$7 \sqrt{2}$

C
$\sqrt{2}$

D
$4\sqrt{2}$

E
$2 \sqrt{2}$
​

Answer 1

/|

r / | 2

/2 |

r² = 2²+2²

r²= 2.2²

r= √2.2²

r = 2√2