bonsoir
BD² = 3² + 6²
BD² = 9 + 36 = 45
BD = √ 45
AD² = 81 - 45 = 36
AD = √ 36 = 6
AD = CD donc isocèle
bonsoir;
BD² = BC² +CD²
= 3²+6²
=9+36
=> BD² = 45
AB² = BD² + DA²
AB² - BD² = DA²
9²-45
=81-45
=> DA² = 36
DA² = CD² = 36
= > ADC est isocèle
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
bonsoir
BD² = 3² + 6²
BD² = 9 + 36 = 45
BD = √ 45
AD² = 81 - 45 = 36
AD = √ 36 = 6
AD = CD donc isocèle
bonsoir;
BD² = BC² +CD²
= 3²+6²
=9+36
=> BD² = 45
AB² = BD² + DA²
AB² - BD² = DA²
9²-45
=81-45
=> DA² = 36
DA² = CD² = 36
= > ADC est isocèle