Question

What answer for question 8

Answer 1

a) 4

Explanation:

Since e, d, and f are midpoints all 4 of the smaller triangles are equal so ad = 5 and ae = 3. pythagorean theorem it up and 5^2 - 3^2 = ed^2

= 25 - 9 = 16

= sqrt 16 = 4

sqrt means square root