In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

[EX Q]: Problem: the second angle of a triangle is double the first ( 110 ) . the third angle is 40 less than the first ( 15 ) . find the first angle .
Options: a ) 35 , b ) 45 , c ) 55 , d ) 65 , e ) 75
[EX A]: c

[EX Q]: Problem: if k and w are the dimensions of a rectangle that has area 20 and if k and w are integers such that k > w , what is the total number of possible values of k ?
Options: ['a ) two', 'b ) three', 'c ) four', 'd ) five', 'e ) six']
[EX A]: b

[EX Q]: Problem: in right triangle abc , ac is the hypotenuse . if ac is 35 and ab + bc = 55 , what is the area of the triangle abc ?
Options: a ) 225 , b ) 450 , c ) 25 2 , d ) 200 , e ) 200 2
[EX A]:
b