X+y= 80.6
9x=y
Then x+9x=10x=80.6
X=8.06
Y=72.54
The first one
if u need an explanation comment
Answer:
B) 
Step-by-step explanation:
∠4 and ∠2 are vertical angles as well, but since they are already used, all that are left to use are ∠3 and ∠1, which are the other vertical angles.
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Answer:
16 units
Step-by-step explanation:
A/B = 5/4 = 20/p
5/4 = 20/p
5p = 4 × 20
p = 4 × 4
p = 16
Answer: 16 units
Answer:
D -- Triangular prism
Step-by-step explanation:
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