1. Six. x x x x x x
x x x x x x
2. Two o o o o o
o o o o o
3. Four. # # # #
# # # #
# # # #
# # # #
4. Eight. @ @ @
@ @ @
@ @ @
@ @ @
@ @ @
@ @ @
@ @ @
@ @ @
5. Three. + + + + +
+ + + + +
+ + + + +
Answer:
x + 50° + 70° = 180°
or, x + 120° = 180°
or, x = 180° - 120°
•°• x = 60°
Step-by-step explanation:
x + 50° + 70° = 180° ( Due to Straight line )
Answer:
Picture no working.
Step-by-step explanation:
Are no the answer :)
f(x)= -x^2+4 plotted vertex (0,4)