Question

Find the diagonal d of a cube that is 14 inches on each edge. Round your answer to the nearest tenth of an inch.

Answer 1

Data:
a (edge) = 14 inches
d (diagonal) = ?

Formula (diagonal of a cube)
$d = a \sqrt{3}$

Solving:
$d = a \sqrt{3}$
$\boxed{\boxed{d = 14 \sqrt{3} \:inches}}\end{array}}\qquad\quad\checkmark$