What can you conclude if you know m ∠ P + m ∠ Q = m ∠ R + m ∠ Q?


A. m ∠ P = m ∠ Q
B. m ∠ P = m ∠ R
C. m ∠ Q = m ∠ R
D. ∠ P and ∠ R are supplementary.

Respuesta :

B. m∠P = m∠R

m∠P + m∠Q = m∠R + m∠Q
Knowing that m∠Q = m∠Q, we can subtract m∠Q from both sides to get:
m∠P = m∠R