From proposition I.6 Prove that in a triangle in which two angles are equal, the sides opposite the to these angles must be congruent Assume that you are working in Hilbert plane. Proposition I6: if the base angles are equal the triangle is isosceles.

Q: Prove Theorem 2-8: If two angles are complements of congruent angles, then the two angles are…

A: Let <A and <B are complements of congruent angles <C and <D. Then we get, <C = <D…

Q: If M is the midpoint of AB in triangle ABΩ, prove that ∠A ≅ ∠B if and only if ∠AMΩ is a right angle.

A:

Q: Given AABC AB 88 & BC = 175 the length of AC must be between

A:

Q: Wouldn't that be 9x-7? Why is it +7?

A: No. The explanation is given below

Q: 2

A: We need to write down that the angle 1 and angle 2 are congruent or not and angle 3 and 4 are…

Q: Prove Theorem 3.2.4 : Vertical angles are congruent.

A: We prove that vertical angles are congruent.

Q: 2. A student is given a triangle with the angles labeled as x, y, and z. The student cuts out each…

A: Let's check one by one option clearly

Q: What additional information is needed to prove triangles congruent by ASA? W X Y V U

A:

Q: 11 Which statement is the converse of "If two sides of a triangle are congruent, then the triangle…

A: Use converse concept

Q: angles, then the angles must be congruent. ( Use a two-column proof ) Given: ∠S and ∠T are each…

A: Use the property that two angles are congruent if they have the same measure.

Q: Which triangle pair can be proven true by Hypotenuse Leg (HL) Theorem? 1) 2) 3) 4) O 2 O 3 O 4 O 1

A: