Answer:15
Step-by-step explanation:jaufnenfiebd
c²=a²+b²
c²=10²+42²
c²=100+1764
c²=1864
c=√1864
c=43.17
c=43.2
Add to the height of the bottom part of the tree.
43.2+10=53.2
∴The total height of the tree before it was struck down was 53.2ft.
