- m∠AEB = 124°
- m∠BEC = 56°
- m∠CED = 124°
- m∠DEA = 56°
Step-by-step explanation:
4x = 70 - x
4x + x = 70
5x = 70
x = 14
m∠DEA = m∠BEC = 4x
m∠DEA = m∠BEC = 4(14)
m∠DEA = m∠BEC = 56°
m∠AEB = m∠CED = [360 - 2(56)] ÷ 2
m∠AEB = m∠CED = [360 - 112] ÷ 2
m∠AEB = m∠CED = 248 ÷ 2
m∠AEB = m∠CED = 124°
