Each of the triangles are equal in base length, height, and area<span>. Remember the formula for the </span>area<span> of a triangle. The </span>area<span> of any triangle is 1/2 times the length of the base (which, in the </span>polygon<span>, is the length of a side) multiplied by the height (which is the same as the apothem in </span>regular polygon<span>).
</span>
the height:

(with g being the gravitational acceleration)
Answer:
3.3 cm
Step-by-step explanation:
262/80 = 3.275 ≈ 3.3