AB + CD = BC + DA
<span>Where A, B, C, and D are points on the quad, and AB is the length of the line A to B, etc. </span>
<span>Since you know three sides, you can easily solve for the fourth. </span>
ED:8cm,DC:10 so the air is HD:18
36/48 simplified is 3/4
divide both by 12
36÷12
3
48÷12
4
Answer is in the file below
tinyurl.com/wpazsebu
Answer:
(1, 2 )
Step-by-step explanation:
Under a reflection in the x- axis
a point (x, y ) → (x, - y ), thus
C(1, - 2 ) → C'(1, 2 )
