# geometry

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The ratio of the angle measures of a pentagon is 4:5:3:8:7. What is the measure of the smallest angle?

• geometry -

The sum of the interior angles of a pentagon is 180(5-2) = 540º

so
4x + 5x + 3x + 8x + 7x = 540

solve for x and sub into 3x

• Pre-Ap Geometry -

60

• geometry -

20

• geometry -

Ffgff

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