Answer:
Can you describe this question
Step-by-step explanation:
You multiply 3.14 by the diameter or 2 times the radius
for area you do pi or 3.14*radius squared
Answer:
C. b²< 40
Step-by-step explanation:
2x²+ bx + 5=0 has no real solutions
=> D< 0
b² < 4ac
b²< 4(2)(5)
b²< 40
what's it look like if like this |__ right /_ acute \__ obtuse