Answer:A
Step-by-step explanation: A is 8d+d, and since d=1, 8d,+1d is equal to 9d
Answer:
Step-by-step explanation:
They're both right angle triangles and have the same length and size , hence congruency
Answer:
B
Step-by-step explanation:
Answer:
It's 90 because we'll make it equal
The answers are (-3,-12), (-2,-10), (5,4)