Vertical angles are equal to each other:
∠2 = ∠3
5 + 4y = 6y - 25
→ 30 = 2y
→ 15 = y
∠2 = 5 + 4y = 5 + 4(15) = 5 + 60 = 65
linear pairs equal 180:
∠1 + ∠2 = 180
→ ∠1 + 65 = 180
→ ∠1 = 115
What exactly are you asking?
Answer:
400
Step-by-step explanation:
354>=350 and thus is rounded upwards to 400.
Answer:
6x
Step-by-step explanation:
3x*3x= 9x - 3x = 6x
