Question

Find the values of the variables and the lengths of the sides of this kite.

Top left: y-4
Top right: x+4
bottom left: 2x+5
bottom right: x+10

a) x=5, y=13; 9, 15
b) x=5, y=13; 1, 7
c) x=13, y=5; 9, 9
d) x=13, y=5; 1, 17

Please/Thanks!