Answer:
17. 10x+24 OR 108 18. 72 19. 8.4
Step-by-step explanation:
(10x+24)+72=180
10x+96=180
10x=84
x=8.4
10x+24
10(8.4)+24
84+24
108
X (x,y) y, -x)
Hope this helps
Answe5/4r:
2 pairs of parallel side: parallelograms
4 right angles: squares
4 right angles and 4 congruent sides: rectangles
4 congruent sides: rhombuses