1. AB 3-2/-1-1
-1/2
BC 2+1/1+3
3/4
AC 3+1/-1+3
4/2=2
It is a right triangle
2. JK -1-2/4+3
-3/7
LM -2+5/-5-2
-3/7
KL -1+5/4-2
<u>4/2=2</u>
JM 2+2/-3+5
<u>4/2=2
</u><u />The quadrilateral is a parallelogram
Answer:
a = 5
Step-by-step explanation:
Hello, please consider the following.

So, a = 5.
Thank you.
2.8 X 10^-8 (........characters space so that I can post this..)
Answer:
x = 39
Step-by-step explanation:
In a parallelogram the opposite angles are congruent, thus
3x - 15 = 2x + 24 ( subtract 2x from both sides )
x - 15 = 24 ( add 15 to both sides )
x = 39
A)5:9
b)14:5
the are the answers