22,69,210
22+1=23x3=69
69+1=70x3=210
Answer:
ABD+DBF=8X-24
(8X-24)÷2=4X-12
Step-by-step explanation:
Answer:360/90 = 4
Total area = 4 times that of the sector.
Step-by-step explanation:
A 90 deg sector has 1/4 the area of the circle.
Total circle area = 4*9pi = 36pi
7 (x-3) + 3(4-x) = -8
7x - 21 + 11 - 3x = -8
4x -10 = -8
4x = -18
X = -18/4
X = -4.5