On the unit circle:
( 1, 0 ) corresponds to 0.
( 0, 1 ) corresponds to π/2
( -1, 0 ) corresponds to π
( 0, - 1 ) corresponds to 3π/2
- π = π
Answer:
D ) ( - 1 , 0 )
4. ΔBDE ~ ΔBAC; Side-Angle-Side (SAS) Similarity Postulate
5. ∠B ≅ ∠B; Reflexive Property of Equality
28÷7=4 and 35÷7 is 5 so they can both be divided by seven so 7 students should be in each group
52• is the correct because you can add the wrong number to your economic system
Im going to say B.)
I hope I'm correct