Answer:
I have given the answer in the chat box as i was not able to post officialy
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
(3,8) (0,4)
X1 = 3 X2 = 0
Y1 = 8 Y2 = 4


Do what's in the parentheses so...
- 3-0= 3
- 8-4= 4
Now plug it in!

Now you are going to finish the parentheses so...
- (3)^2= 9
- (4)^2= 16
Plug that in so that you have this...

Add 9+16 to get...

Then you are going to find the number or numbers that make this a perfect square...

So 5 is your answer
Answer
x=12
Step-by-step explanation:
7x / 8 = 21
7x = 8*21
x = 24
Answer:
Step-by-step explanation:
In ΔBCA and ΔDCA,
BC ≅ CD Given
∠BCA ≅∠DCA Given
AC ≅ AC Reflexive property
ΔBCA ≅ ΔDCA S A S congruent
∵ BA ≅ AD CPCT {Corresponding part of congruent triangle}