Question

A square has a side length of 12cm. Which of the following is closest to the length of its diagonal

Answer 1

Any answer close to 16.97056

Explanation:

Diagonal divides square to 2 equal right angle triangles.

To find diagonal use pythogorus theorem.

Diagonal =
`\sqrt{12^(2)+{12^(2) }`

Diagonal =
`√(144+144)`

Diagonal = 16.97056

Answer 2

Explanation:

d=√(12²+12²)=12√2

≈16.97

≈17 cm