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Question

Find the measure of DCE and hence DEC


A

65 and 35

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B

95 and 35

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C

75 and 45

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D

65 and 25

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Solution

The correct option is D

65 and 25


DCE+DCB=180

DCE=180DCB

= 180115

= 65

DEC+DCE=90
Since it is right angled triangle, the remaining two angles will be complementary

DEC=9065

= 25


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