Question

in the figure,BC//DE.if angle ABC=angle CDE=90° and angle ABC=30°,find the measure of angle DCE​

Answer 1

Answer:

90° - 30° : 60°

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Answer 2

Answer:

90-30= 30

Step-by-step explanation:

its 90 degrees because its a right angle, and theres a 30 soo you just have to minus it :)