Answer:
Step-by-step explanation:
To find the values of for which, the value of belongs to ,we solve the inequality;
We multiply through by 8 to obtain;
We subtract 3 to get
Divide through by -1 to obtain;
Or
Answer:
A
Step-by-step explanation:
81 degrees
1 degree = 2 pi / 360
81 degrees = 162 pi / 360
=9 pi / 20
L (arc) = radius x angle
= 10 x 9 pi / 20
90 pi /20
9/2 pi : D
The answer is D
Answer:
acute
Step-by-step explanation:
straight is just a straight line, 180 degrees perhaps
right is exactly 90 degrees
obtuse is over 90 degrees