Answer:
y=7
Step-by-step explanation:
The two given angels are congruent so they must be equal in measure.
Set them up equal and find y.
8y = 5y + 21, subtract 5y from both sides
8y -5y = 21, combine like terms
3y = 21, divide both sides by 3
y = 7
Answer:
1. 3rd degree
2. No degree
3. First degree
4. 8th degree
Step-by-step explanation:
Hope this helps!
Answer:
<em>d). = m∠BCA = m∠B'C'A'</em>
Step-by-step explanation:
d). = m∠BCA = m∠B'C'A'
Answer: It should be 18...(Multiple of 9)
Step-by-step explanation:
Step-by-step explanation:
