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What is the area of triangle abc if a = 8, b = 11, and c = 15?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.