Consider this: is equilateral. BD is an altitude. Which triangles are congruent? Why?

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MCQs on geometric figures, including congruent and similar figures, triangles, quadrilaterals, and circles.


Consider this:<br><img src='https://www.fatskills.com/images2/GradExams/87BE5C13-71CC-415B-B2A4-ECA0BCFD6FF5.png' height='16' width='62'/> is equilateral. <em>BD</em> is an altitude. Which triangles are congruent? Why?<br><img src='https://www.fatskills.com/images2/GradExams/70F48D25-7570-41E8-915B-3E7C29418013.jpg' height='216' width='297'/>