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If the lower legs of the ironing board are equal in length, what is the measure of n?

If the lower legs of the ironing board are equal in length, what is the measure of-example-1

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All angles in a triangle add up to 180deg, so you do:
180 - 75 = 105

You know the bottom angles are equal so you divide this by 2:
105/2 = 52.5deg

n = 52.5deg
User Chris Marisic
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