In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
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Question: Problem: in a certain parallelogram the degree measure of one angle exceeds that of the other by 20 what is the degree measure of the smaller angle ?
Options: a ) 75 , b ) 80 , c ) 85 , d ) 90 , e ) 95

Answer: b

Question: Problem: the length of rectangle is thrice its breadth and its perimeter is 72 m , find the area of the rectangle ?
Options: a ) 432 , b ) 212 , c ) 243 , d ) 992 , e ) 212

Answer: c

Question: Problem: in a trapezium abcd , ab is parallel to dc , ab = 3 * dc , and the diagonals of the trapezium intersect at o . the ratio of the area of ocd to the area of oab is :
Options: ['a ) 1 : 9', 'b ) 1 : 3', 'c ) 3 : 1', 'd ) 1 : 10', 'e ) can not be determined']

Answer:
a