Question

find the measure of the unknown angle in the following figure ​

Answer 1

Answer:

75

Step-by-step explanation:

x+15 =90

x=90-15=75 degree

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Answer 2

Answer:

x=90 degree

Step-by-step explanation:

angle EFG=90 degree

because we know that EFG is a right-angled triangle

and therefore value of x=90 degree

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