Answer:
1.7
Explanation:
As the illustration shows, the hypotenuse of one of the smallest triangles is 2 cm, and the base of this triangle is 1. Our job is to determine the triangle height marked "?" in the drawing.
We apply the Pythagorean Theorem, obtaining 1² + ?² = 2².
Then ?² = 4 - 1, and ? = +√3. This corresponds to Answer d: √3, which is approx. 1.7.