Answer:
1
hope this helps!!:)
Step-by-step explanation:
Answer:
A and C
Step-by-step explanation:
Answer:
a = 25
b = 100
c = 17
d = 68
Step-by-step explanation:
Answer:


Step-by-step explanation:
Given: See Attachment
Required
Determine the length of the legs
To do this, we apply Pythagoras theorem.

In this case:

Open Bracket



Collect Like Terms


Solving using quadratic formula:

So:
or 
Since, x can't be negative, then:

One of the leg is:






<span>By definition, lines are parallel if they have the same gradient (slope). Any horizontal line has a gradient of 0, so it is parallel to any other horizontal line</span>