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anonymous
 one year ago
Can you check my answer? Medal + Fan will be given! :)
anonymous
 one year ago
Can you check my answer? Medal + Fan will be given! :)

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Vertical Angles Theorem: When two lines cross or intersect, the angles that are mirrored are the same measure.The two intersecting line segments form four angles and the sum of two angles that form a straight line is 180° because of the definition of supplementary angles. Angle 1 + Angle 2 = 180°. Angles 2 and 3 also form a straight line, by definition of supplementary angles Angle 3 + Angle 4 = 180°. The sum of angles 1 and 2 are 180° and the sum of angles 3 and 4 is 180°, these would be equal to each other because of the Transitive property of Equality, Angles 1 and 2 is equal to the sum of angles 3 and 4. Next we would use the Subtraction Property of Equality angle 4 can be subtracted from both sides of the equation to prove that angle 1 and 3 are equal.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you, could you check this one too?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Prove that the sides opposite the congruent base angles of a triangle are congruent. Be sure to create and name the appropriate geometric figures. Isosceles Triangle Theorem: If two sides of a triangle are congruent then the angles opposite of those sides are congruent. So the two base angles are equal, but base angles aren't always the bottom of a triangle, these angles are adjacent to the unequal side of the triangle and an isosceles triangle is where all three sides are equal (equilateral triangle). ___ ___ Let's say we have a triangle with ABC, AB ≅ BC and Angle C ≅ Angle A. You can use the Reflective Property of Equality, SAS postulate, a straightedge, and compass to prove the isosceles triangle theorem.
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