Answer:

Step-by-step explanation:
Right angle i think
90 degree angle is right angle so jus Measure it
Answer:
8
Step-by-step explanation:
3,4,5 and 6,_,10 are similar. what do you notice between the two? 6 is twice of 3. 10 is twice of 5. so then 4 would be half of 8.
hope i helped ;)
Answer:
(1, 4)
Step-by-step explanation:
y=x+3
y=3x+1
y=x+3
x+3=3x+1
x=3x-2
-2x=-2
x=1
y=1+3
y=4
BC is congruent to DC or BA is congruent to DA, depending on what point marks the intersection point of the two lines.
If this helped please rate, thank, and give brainliest answer!