Answer:
Step-by-step explanation:
this shape has five vertical faces
X is the short piece
(3•x-1)+x=31
4x=31+1
X=32/4=8
Short piece is 8
Long piece is 3•8-1=23
Check 8+23=31 ✔️
Answer:
360°
Step-by-step explanation:
Sum of exterior angle of any polygon = 360
Sum of exterior angle of pentagon = 360
Answer:
Complementary
Step-by-step explanation:
adding up to 90 degrees
11. 8/7
14. 13/10
17. 11/14