Answer:
30°
Step-by-step explanation:
∠A + ∠B + ∠C = 180
∠B = ∠A + 20
∠C = 2 * ∠B
<A + (∠A + 20) + (2 * ∠B) = 180
<A + (∠A + 20) + (2 * (∠A + 20)) = 180
<A + (∠A + 20) + 2∠A + 40 = 180
4∠A + 60 = 180
4∠A = 120
∠A = 30
Answer:
z = 80°
Step-by-step explanation:
ABCD ~ FECG
∠F ≅ ∠A = z
∠F = 360-100-60-120=80
z = 80°
Answer:
A is -2
B is 2
C is 4
Step-by-step explanation:
So just replace each letter with these numbers and do the math, hope this helps
Answer:
4.
x=15
angles
5x-24 = 51
3x+6 = 51
5.
x=58
angles
2x = 116
x+6 = 64
Step-by-step explanation: