Answer:
∠S = 58°
Step-by-step explanation:
RA = AD
∠BAD = ∠SRA
∠BAD + ∠RAB = straight line, 180° (supplementary angles)
Solve for x
∠BAD + ∠RAB = 180°
(6x + 8) + (9x + 7) = 180°
15x + 15 = 180
15x = 165
x = 11
Find ∠S
∠S = 4x + 14
∠S = 4(11) + 14
∠S = 44 + 14
∠S = 58°
I hope this helps!
