Angle Z = Angle R = 35 degrees
Angle Y = 180-70-35 = 180-105 = 75
35 & 75 degrees
Answer:C 5a^2 +70a +240
Step-by-step explanation:
Answer:
x=60 and the missing angle is 140
Step-by-step explanation:
40 × 2x + 20= 180
60 + 2x =180
2x=120
x=60
2(60)+20=140
Step-by-step explanation:
crossmultiply and divide both sides by the co efficient of x