Question

What is the value of GEF?

Answer 1

GEF = 30 degrees

Explanation:

DEF = straight angle = 180 degrees

DEH = 2x degrees

HEG = 90 degrees

GEF = x degrees

2x + 90 + x = 180 (combine like terms)

3x + 90 = 180 (subtract 90 from both sides)

- 90 -90

3x = 90 (divide)

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x = 30