Sum of interior angles of a △ = 180°
∴ ∠T + ∠V + ∠U = 180°
⇒ 37° + 63° + X° = 180°
⇒ X° + 100 = 180°
⇒ X° = 180° - 100°
⇒ X° = 80° (D).
Answer:
A and C
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
3 x 6=18
120 pens for $24 is not a unit rate to describe this sale.
