Respuesta:
2. BC + AB + CD = AD
X + 45 + 40 = 150
X + 85 = 150
X = 150 - 85
X= 65
3. CD - AB = 36
5a - a = 36
4a = 36
a = 36/4
a = 9
AD = a + 3a + 5a
AD = 9 + 3(9) + 5(9)
AD = 9 + 27 + 45
AD = 81
Explicación paso a paso:
