Question

in the figure ABC is a trapezium in which ABparallel DC if angle A equal 35 and B equal75 then find angle C and D

Answer 1

given;

in a trapezium ABCD

angle A= 35

angle B= 75

to find =

angle C & angle D

solution;

^A +^B+^C+^D= 360

35+75+^C+^D=360

110+^C+^D=360

[let ^C & ^D be x

therefor x +x= 2x]

110 + 2x = 360

2x =360-110

2x =250

x = 250/2

x = 125

therefor x = ^C & ^D = 125

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