Aaron can paint a door in 3 hours, and Anna can do the same job in 2 hours. Working together, how many hours will it take them t
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<h2>Answer: 1st one</h2>
two-base angle are equal
let take a base angle as x
<h3>2x + 98 = 180</h3><h3>2x = 180 - 98</h3><h3>x = 2/2</h3><h3>x = 1</h3>