In the diagram below, \( \angle B \cong \angle B A D \cong \angle A D C \) and \( \mathrm{m} \angle A D E=71^{\circ} \). Find \( \mathrm{m} \angle C \).

3.1 Definieer die term "refleksiesimmetrie".

Example 5 : (Applications) A ball is thrown 6.4 m into the air. The ball falls, rebounds to \( 60 \% \) of its previous height, and falls again. If the ball continues to rebound and fall in this manner, fin the total distance the ball travels until it hits the ground for the fifth time.

4. Дано: \( \angle 1=\angle 5, \angle 4 \neq \angle 5 \) делите, какие из трех \( c, d \) и \( f \) параллельны. 5. Дано: \( \angle 1=55^{\circ}, \angle 2 \) \( \angle 3=123^{\circ} \). Найдите уго

Son o'qida \( \mathrm{A}(4,8) \) va \( \mathrm{B}(-7,2) \) nuqtalar berilgan. AB kesma o'rtasining koordinatasini toping.

construct a \( \triangle A B C \) such that : \( A B=6 \mathrm{~cm}, B C=4 \mathrm{~cm} \) and \( C A=5.5 \mathrm{~cm} \)