Need help on geometry, quiz tomorrow ?

Question

Answer 1

For x in the triangle to the left

√3² + x² = 2²

3 + x² = 4

x² = 1

x = 1

For the segment of the small triangle:

4² + x² = 5²

16 + x² = 25

x² = 9

x = 3

So since x is equal to 3, the larger segments are 8