Answer:
Step-by-step explanation:
area of sector = {Ф ( in degrees)/360}πr²
Ф = 60
π=3.14
r=10
area = (60/360) x 3.14 x 10²
= (1/6)x3.14 x100 = (1/6)x314= 314/6 = 52.33
[-16 20 -24].
4[-4 5 -6]
= [4*-4 4*5 5*-6]
= [-16 20 -24].
