Given that m ∠5 = 65°, find each measure. Tell which postulate or theorem you use.
A. m ∠6 =
B. m ∠7 =
C. m ∠8 =
D. m ∠9 =
C.E.R Question:
1. How did you find the solution?
2. What concept did you apply in finding the answer?
3. Are the properties of parallelograms helpful in establishing parallelism and perpendicularity of lines?
Pls don't answer Nonsense.
Answers & Comments
Answer:
Given that m ∠5 = 65°, find each measure. Tell which postulate or theorem you use.
A. m ∠6 = 65°
B. m ∠7 = 115°
C. m ∠8 = 65°
D. m ∠9 = 115°
Solution:
A. m∠6 = m∠5 = 65°
B. m∠7 + m∠5 = 180° ,
m∠7 = 180°
– m∠5 = 115°
C. m∠8 = m∠5 = 65°
D. m∠9 + m∠8 = 180° ,
m∠9 = 180°
– m∠8 = 115°
C.E.R Question:
1. How did you find the solution?
2. What concept did you apply in finding the answer?
3. Are the properties of parallelograms helpful in establishing parallelism and perpendicularity of lines?
Hope it helps