That's a <em>rhombus</em>. If it has one interior right angle, then
it's a special case of rhombus known as a "square".
So 4 triangular faces of the pyramid will have total area
<span>= 4 ×<span>12 </span>× base × height = 4 × <span>12 </span>× 34 × 58f<span>t2 </span>= 3944f<span>t2</span></span>
So <span>3944f<span>t2</span></span> of marble cover the faces of the pyramid.
Answer:
he has to ride 6 miles 1 once day
