Mathematics, 19.02.2020 01:00 michellemonchez103

Select from the drop-down menus to correctly complete the statements. By the triangle sum property, the sum of the measures of angles 2, 3, and 4 (90 or 180) is °. The sum of the measures of angles (1 and 2 or 1 and 4 or 2 and 3 or 3 and 4) is 180° because they form a linear pair. Using the substitution property, m∠2+m∠3+m∠4=m∠1+m∠4 . Then, by the subtraction property of equality, m∠2+m∠3=m∠ (4 or 1).

Select from the drop-down menus to correctly complete the statements. By the triangle sum property,

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