two angles are complemenatary. the measure of one is 4/5 the measure of the other. find each angle

Question

this question was on an angles worksheet that we had to do for math class and i am having trouble with it

Answer 1

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angel2=4/5 other=0.8* angel1

angel1+angel2=90 deg

1.8*angel1=90

angel1=90/1.8

=50 deg